Angular: Empty Fiddle
http://angularjs.org/
HTML
<div ng-controller="MyCtrl">
<ol class="unstyled">
<li ng-repeat="question in questions">
<span class="">{{question.text}}</span>
<ul>
<li id="{{'answ'+question.id}}" ng-repeat="answer in answers | filter:answer.questID = question.id">{{answer.text}}</li>
</ul>
</li>
</ol>
</div>
JavaScript
var myApp = angular.module('myApp',[]);
function MyCtrl($scope) {
$scope.questions = [
{text:'This engine oil is suitable for Renault Fluence?',id:1},
{text:'Test question 2 ?' ,id:2}];
$scope.answers = [
{text:'Test answer 1',id:1, questID:1},
{text:'Test answer 2',id:2, questID:2},
{text:'Test answer 3',id:3, questID:1},
{text:'Test answer 4',id:4, questID:2},
{text:'Test answer 5',id:5, questID:2}
];
}