Question: Did Jack Dempsey fight the current WBC heavyweight champion?, Answer:No, Description of Jack Dempsey: American boxer, Fact1: Jack Dempsey died in 1983, Fact2: The current WBC heavyweight champion is Tyson Fury, Fact3: Tyson Fury was born in 1988
Step1: When did Jack Dempsey die?, Step2: When was the current WBC heavyweight champion born?, Step3: Is #2 before #1?, Wikipedia page for step 1: Jack Dempsey, Wikipedia page for step 2: Tyson Fury, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False