Question: Which South Australian city is home of the Chairman's Stakes at Morphettville Racecourse?

Context paragraphs:
Morphettville Racecourse: Morphettville Racecourse is the main horse racing track for the Australian state of South Australia.  It is situated in the Adelaide suburb of Morphettville, and is about 10 km from the Adelaide city centre.  It is home to the South Australian Jockey Club.

Spring Stakes (SAJC): The Spring Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race at Weight for age, over a distance of 1200 metres, held annually at Morphettville Racecourse, Adelaide, Australia in August.  Total prizemoney is A$120,000.

Lord Reims Stakes: The Lord Reims Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for horses aged three years old and older, over a distance of 2600 metres at Morphettville Racecourse in Adelaide, Australia in March.  Total prizemoney is A$120,000.

R. N. Irwin Stakes: The R. N. Irwin Stakes is a South Australian Jockey Club Group 3 Weight for Age Thoroughbred horse race for three years old and older, run over a distance of 1100 metres at Morphettville Racecourse, Adelaide, Australia in the autumn.  Total prize money for the race is A$120,000.

Robert A. Lee Stakes: The Robert A. Lee Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for horses aged three years old and over, with set weight with penalties, run over a distance of 1600 metres at Morphettville Racecourse in Adelaide, Australia during the SAJC Autumn Carnival.

Auraria Stakes: The Schweppervescence Stakes, registered as the Auraria Stakes is a South Australian Jockey Club Group 3 thoroughbred horse race for three years old fillies raced under Set Weights with penalties conditions, over a distance of 1800 metres at Morphettville Racecourse in Adelaide, Australia.  Total prize money for the race is A$120,000.

Queen of the South Stakes: The Queen of the South Stakes is a South Australian Jockey Club Group 2 Thoroughbred horse race for fillies and mares, three years old and up, at set weights with penalties, over a distance of 1600 metres held at Morphettville Racecourse in Adelaide, Australia during the SAJC Autumn Carnival.

Breeders' Stakes (SAJC): The Breeders' Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for two-year-olds, over a distance of 1200 metres, held annually at Morphettville Racecourse in Adelaide, Australia during the autumn.  Total prizemoney is A$120,000.

National Stakes (SAJC): The National Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for horses aged two years old, at set weights with penalties, over a distance of 1200 metres, held annually at Morphettville Racecourse in Adelaide, Australia during the Autumn Carnival.

Chairman's Stakes (SAJC): The Chairman's Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for three-year-olds, at set weights, over a distance of 2,020 metres at the Morphettville Racecourse, Adelaide, Australia in the Autumn Carnival.

Supporting paragraphs: Chairman's Stakes (SAJC) Morphettville Racecourse
Answer: Adelaide