In the following code, where is the name of the pipe found?
<h2>{{ mediaItem.name }}</h2>
<ng-template [ngIf]="mediaItem.watchedOn">
<div>Watched on {{ mediaItem.watchedOn | date: 'shortDate'}}</div>
</ng-template>
1. to the right of the pipe
2. in single quotes
3. in double quotes
4. to the left of the pipe