Question: what year did the winner of the 1992 South African Grand Prix with the CART Indy Car World Series?
Sentence (from "Nigel Mansell"): Nigel Ernest James Mansell, {'1': ", '2': ", '3': ", '4': "} ( ; born 8 August 1953) is a British former racing driver who won both the Formula One World Championship (1992) and the CART Indy Car World Series (1993).
Relevant evidence: Yes