Deletion of Occurrence-in-subtuple problem

Comment: WP:OR and no indication of  (which would require some sources to establish).  No http://scholar.google.com/scholar?hl=en&lr=&ie=ISO-8859-1&q=Occurrence-in-subtuple&btnG=Search scholar hits
Stance: delete
Cited policy: Wikipedia:Notability (WP:NOTABILITY)