Question: Who is the full-sister to the retired American Thoroughbred racehorse that was raised by a race horse trainer born July 9, 1941?
Sentence (from "William I. Mott"): William I. "Bill" Mott (born July 29, 1953, in Mobridge, South Dakota) is an American horse trainer, most notable for his work with Cigar.
Relevant evidence: No