Question: What sport do both Chanda Rubin and Andy Murray play?
Related documents: [0]  [DOC] Chanda Rubin (born February 18, 1976) is an American tennis player. Winning seven WTA Tour singles titles, she reached her highest ranking at World No. 6 on April 8, 1996, after reaching semifinals at the 1996 Australian Open. Rubin is also former World No. 9 in doubles, winning the Australian Open in 1996 partnering with Arantxa Sánchez Vicario. [END] 
[1]  [DOC] Sir Andrew Barron Murray, {'1': ", '2': ", '3': ", '4': "} (born 15 May 1987) is a British professional tennis player from Scotland currently ranked world no. 3 in men's singles. Murray represents Great Britain in his sporting activities and is a three-time Grand Slam tournament winner, two-time Olympic champion, Davis Cup champion and the winner of the 2016 ATP World Tour Finals. [END] 
Answer: 
tennis
tennis