Wikipedia:Articles for deletion/List of persons who have won Academy, Golden Globe, Screen Actors Guild, and BAFTA Awards
In the absence of a |reliable source ... (pauses to listen to crickets chirping)... stating that winning all four of these awards has some significance (e.g. calling them "the Big Four"), choosing to list the intersection of the four sets of award winners is a quite arbitrary decision, and I think it constitutes 
— User:SheffieldSteel, 20:20, 1 April 2008 (UTC)
Stance: delete
Cited policy: WP:RS||WP:SYNTHESIS (Wikipedia:Reliable sources)