question: How many casualties did the 1st Marines face at the Battle of Chosin Reservoir ?
answer: 12,000 -- 15,000
turker_answer: There were 12,000 -- 15,000 casualties for the 1st Marines at the Battle of Chosin Reservoir .
rule-based: 12,000 -- 15,000 did the 1st Marines face at the Battle of Chosin Reservoir .