Issue/3323
De Semantic MediaWiki - Sandbox
- Query
{{#ask: [[Category:Song]] [[Is song title::+]] |mainlabel=page |?Is performer=performer |?Is album title=album |?Is song title=song |sort=,Is performer }}
- Result
{{#ask: [[Category:Song]] [[Is song title::+]] |mainlabel=page |?Is performer=performer |?Is album title=album |?Is song title=song |sort=,Is performer }}