The conversation between human and AI assistant.
[|Human|] How many grand slams did Boris Becker win?
[|AI|] Boris Becker won a total of six Grand Slam titles during his career. He won Wimbledon in 1985, 1986 and 1989, the US Open in 1989 and the Australian Open in 1991 and 1996.
[|Human|] 
How many grand slams did Boris Becker win?