question: On what date did the Garde Nationale kill as many as fifty people on Champs de Mars ?
answer: July 17 , 1791
turker_answer: The Garde Nationale killed as many as 50 people on Champs de Mars on July 17 , 1791 .
rule-based: Did the Garde Nationale kill as many as fifty people on Champs de Mars on July 17 , 1791 .