sentences:  The following year, Rheingold finished second in the King George VI and Queen Elizabeth Stakes to the great French filly, Dahlia.He won his second straight Grand Prix de Saint-Cloud under jockey Yves Saint-Martin then in the autumn defeated the future French Horse Racing Hall of Fame filly Allez France to win the Prix de l'Arc de Triomphe under Lester Piggott, who was winning the race for the first time.Rheingold was retired after the 1973 racing season and stood at stud in Ireland from 1974 to 1979.