Conversation so far:
What did Billie Jean King do during these prime competitive years from 1966 to 1975?
Six of King's Grand Slam singles titles were at Wimbledon, four were at the U.S. Championships/Open, one was at the French Open, and one was at the Australian Championships.
Did Billie Jean King win any tournaments during these prime competitive years from 1966 to 1975?
From 1971 through 1975, she won seven of the ten Grand Slam singles tournaments she played.

Question: what was her stats?
Self-contained rewrite: What was Billie Jean King's stats during these prime competitive years from 1966 to 1975?