Question: The 1973 Virginia Slims of Boston was won by which retired Australian player?
Sentence (from "1973 Virginia Slims of Boston"): The 1973 Virginia Slims of Boston, also known as the Virginia Slims Indoors, was a women's tennis tournament played on indoor carpet courts in Boston, Massachusetts in the United States that was part of the 1973 Virginia Slims World Championship Series.
Relevant evidence: No