Question:  "Bart Carny" is the twelfth episode from a season of "The Simpson" that began on what date?
Sentence (from "The Simpsons (season 9)"): "The Simpsons"' ninth season originally aired on the Fox network between September 1997 and May 1998, beginning on Sunday, September 21, 1997, with "The City of New York vs. Homer Simpson".
Relevant evidence: Yes