Though she won 67 tournament titles in her career, American tennis player Billie Jean King is perhaps best known for the “Battle of the Sexes” against former champion Bobby Riggs. In 1973, Riggs emerged from retirement and defeated Margaret Court in a nationally televised match. Proclaiming the superiority of the male athlete over the female no matter what the age, he challenged Billie Jean King, who accepted and routed him in three straight sets. How many people reportedly watched the match? Discuss