instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Marilyn Bevans was the first sub-three-hour, African-American female marathoner, and the first national-class black female American marathoner.
Question : What gender class does Marilyn Bevans belong to?
answer:
female

question:
Context : USS George M. Campbell (DE-773) was a United States Navy Cannon-class destroyer escort proposed during World War II but never completed.
Question : What specific type of seafaring vessel was USS George M. Campbell (DE-773)?
answer:
Cannon-class destroyer escort

question:
Context : The 21st Venice International Film Festival was held from 24 August to 7 September 1960.
Question : When did 21st Venice International Film Festival occur?
answer:
1960