question: What is the name of the college a capella event that 's been held since 1975 ?
answer: Georgetown Chimes ' Cherry Tree Massacre
turker_answer: The name of the college a capella event that 's been held since 1975 is Georgetown Chimes ' Cherry Tree Massacre .
rule-based: The name of the college a capella event that 's been held since 1975 is Georgetown Chimes ' Cherry Tree Massacre .