Question: Following the 1970 NFL season, Billy Truax was traded by the Rams to the Cowboys for a wide receiver that played football at what college? 
Sentence (from "The Catch (American football)"): The Catch refers to the winning touchdown pass in the 1981 NFC Championship Game played between the Dallas Cowboys and San Francisco 49ers at Candlestick Park on January 10, 1982, as part of the 1981–82 NFL playoffs following the 1981 NFL season.
Relevant evidence: No