About: http://webisa.webdatacommons.org/394419234

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the NFL, for instance, only certain types of plays ??? such as those on which possession of the ball is in question ??? can be challenged by a coach, and only two or three plays can be challenged by each coach in a game.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org