The 1973 Virginia Slims of Boston was won by which retired Australian player?
Margaret Court Margaret Court {'1': ", '2': ", '3': ", '4': "} (née Smith; born 16 July 1942), also known as Margaret Smith Court, is a retired Australian tennis player and former world No. 1. She is currently a Christian minister in Perth, Western Australia. In tennis, she amassed more major titles than any other player in history.
Amarillo Slim Thomas Austin Preston Jr. (December 31, 1928 – April 29, 2012), known as Amarillo Slim, was an American professional gambler known for his poker skills and proposition bets. Preston won the 1972 World Series of Poker (WSOP) Main Event and was inducted into the Poker Hall of Fame in 1992.