diff --git a/game/qgservice/Question4Answers.js b/game/qgservice/Question4Answers.js
new file mode 100644
index 0000000..62074ff
--- /dev/null
+++ b/game/qgservice/Question4Answers.js
@@ -0,0 +1,28 @@
+const mongoose = require('mongoose');
+
+const question4AnswersSchema = new mongoose.Schema({
+  question: {
+    type: String,
+    required: true,
+  },
+  correctAnswer: {
+    type: String,
+    required: true,
+  },
+  incorrectAnswer1: {
+    type: String,
+    required: true,
+  },
+  incorrectAnswer2: {
+    type: String,
+    required: true,
+  },
+  incorrectAnswer3: {
+    type: String,
+    required: true,
+  },
+});
+
+const Question4Answers = mongoose.model('Question4Answers', question4AnswersSchema);
+
+module.exports = Question4Answers;
\ No newline at end of file
diff --git a/game/qgservice/qg-service.js b/game/qgservice/qg-service.js
index ec7aa5b..1652a25 100644
--- a/game/qgservice/qg-service.js
+++ b/game/qgservice/qg-service.js
@@ -2,6 +2,7 @@
 const express = require('express');
 const bodyParser = require('body-parser');
 const axios = require('axios');
+const mongoose = require('mongoose');
 const { usaPopulationQuery, spainPopulationQuery } = require('./queries');
 const { generateQuestionPopulation } = require('./questiongenerator');
 
@@ -10,6 +11,9 @@ const port = 8003;
 
 app.use(bodyParser.json());
 
+const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/userdb';
+mongoose.connect(mongoUri);
+
 async function executeSparqlQuery(query) {
   try {
     const response = await axios.get('https://query.wikidata.org/sparql', {
diff --git a/game/qgservice/questiongenerator.js b/game/qgservice/questiongenerator.js
index 3915314..3402b6c 100644
--- a/game/qgservice/questiongenerator.js
+++ b/game/qgservice/questiongenerator.js
@@ -1,29 +1,42 @@
-// questionGenerator.js
+const Question4Answers = require('./Question4Answers');
+
 function generateQuestionPopulation(cityPopulationMap) {
-    const cityPopulationArray = Array.from(cityPopulationMap);
-  
-    const randomIndex = Math.floor(Math.random() * cityPopulationArray.length);
-    const [city, population] = cityPopulationArray[randomIndex];
-  
-    const incorrectAnswers = [];
-    while (incorrectAnswers.length < 3) {
-      const randomCity = cityPopulationArray[Math.floor(Math.random() * cityPopulationArray.length)];
-      const [randomCityName, randomCityPopulation] = randomCity;
-      if (randomCityName !== city && !incorrectAnswers.includes(randomCityPopulation)) {
-        incorrectAnswers.push(randomCityPopulation);
-      }
+  const cityPopulationArray = Array.from(cityPopulationMap);
+
+  const randomIndex = Math.floor(Math.random() * cityPopulationArray.length);
+  const [city, population] = cityPopulationArray[randomIndex];
+
+  const incorrectAnswers = [];
+  while (incorrectAnswers.length < 3) {
+    const randomCity = cityPopulationArray[Math.floor(Math.random() * cityPopulationArray.length)];
+    const [randomCityName, randomCityPopulation] = randomCity;
+    if (randomCityName !== city && !incorrectAnswers.includes(randomCityPopulation)) {
+      incorrectAnswers.push(randomCityPopulation);
     }
-  
-    const question = {
-      question: `What is the population of ${city}?`,
-      correctAnswer: population,
-      incorrectAnswers,
-    };
-  
-    return question;
   }
-  
-  module.exports = {
-    generateQuestionPopulation,
+
+  // Create the question object
+  const question = {
+    question: `What is the population of ${city}?`,
+    correctAnswer: population.toString(),
+    incorrectAnswer1: incorrectAnswers[0].toString(),
+    incorrectAnswer2: incorrectAnswers[1].toString(),
+    incorrectAnswer3: incorrectAnswers[2].toString(),
   };
-  
\ No newline at end of file
+
+  // Save the question to MongoDB
+  const newQuestion = new Question4Answers(question);
+  newQuestion.save()
+    .then(savedQuestion => {
+      console.log('Question saved to MongoDB:', savedQuestion);
+    })
+    .catch(error => {
+      console.error('Error saving question to MongoDB:', error.message);
+    });
+
+  return question;
+}
+
+module.exports = {
+  generateQuestionPopulation,
+};
\ No newline at end of file