Select only one checkbox out of three with same name

<!DOCTYPE html>
<html ng-app="plunker">

<head>
  <meta charset="utf-8" />
  <title>AngularJS Plunker</title>
  <script>
    document.write('<base href="' + document.location + '" />');
  </script>
  <link rel="stylesheet" href="style.css" />
  <script data-require="angular.js@1.2.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.16/angular.min.js" data-semver="1.2.16"></script>
  <script src="script.js"></script>
</head>

<body ng-controller="MainCtrl">
  <table>
    <tr ng-repeat="subscription in entities">
      <td>
        <input type="checkbox" ng-model="subscription.checked" ng-click="updateSelection($index, entities)" />
      </td>
    </tr>
  </table>

  <tt>{{entities}}</tt>
  
</body>



</html>

var app = angular.module('plunker', []);

app.controller('MainCtrl', function($scope) {
  $scope.entities = [{
      name: 'one',
      checked: false
    }, {
      name: 'two',
      checked: false
    }, {
      name: 'three',
      checked: true
    }, {
      name: 'four',
      checked: false
    }
  ]

    $scope.updateSelection = function(position, entities) {
      angular.forEach(entities, function(subscription, index) {
        if (position != index) 
          subscription.checked = false;
      });
    }
  
});

/* Styles go here */

Select only one checkbox out of three with same name