text: var mongoose = require('mongoose');
  var Schema = mongoose.Schema;
  var ObjectId = Schema.Types.ObjectId;
  
  var questionSchema = new Schema({
    title: String,
    created_at: Date,
    answers: [{
      text: String,
      created_at: Date
    }]
  });
  
  var Question = mongoose.model('Question', questionSchema);
  
  module.exports = Question;
  