Question: In the twelfth season of "The Simpsons" who represented an American pioneer nurseryman who introduced apple trees to large parts of Pennsylvania, Ontario, Ohio, Indiana, and Illinois, as well as the northern counties of present-day West Virginia?
Sentence (from "Simpsons Tall Tales"): "Simpsons Tall Tales" is the twenty-first episode and season finale of "The Simpsons"<nowiki>'</nowiki> twelfth season.
Relevant evidence: Yes