Premise: Venus Williams . By virtue of that doubles ascension , Venus became one of seven women to reach No. 1 in singles and No. 1 in doubles . Her seven Grand Slam singles titles ties her twelfth on the all-time list , more than any other active female player except sister Serena . From the 2000 Wimbledon Championships to the 2001 US Open , Williams won four of the six Grand Slam singles tournaments held . She is one of only six women in the Open Era to win 200 or more main draw Grand Slam singles matches . By winning her 49th career singles title at the 2016 Taiwan Open , Williams became the 5th oldest WTA Tour titlist in the Open Era , at 35 years , 7 months and 28 days .
Hypothesis: Venus Williams plays professionally in singles tennis.
Label: ENTAILMENT