Question: Bartholomew JoJo "Bart" Simpson is a fictional character in the American animated television series "The Simpsons", he is voiced by Nancy Cartwright and first appeared on television in "The Tracey Ullman Show", is an American television variety show starring Tracey Ullman, it debuted on which date?
Sentence (from "The Tracey Ullman Show"): It debuted on April 5, 1987, as the Fox network's second prime-time series after "Married... with Children", and ran until May 26, 1990.
Relevant evidence: Yes