Question: This rider, nicknamed "The GOAT," won his seventh AMA Motocross Championship in what year?
Sentence (from "Ricky Carmichael"): Ricky Carmichael (born November 27, 1979 in Clearwater, Florida) is a motor racer known for his success in motocross in the early 2000s, having won the AMA Motocross Championship 450cc class seven times and the AMA Supercross Championship 450cc class five times.
Relevant evidence: Yes