tournament                    1987                    1988                    1989                    1990                    1991                    1992                    1993                    1994                    1995                    1996                    1997
0  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments  grand slam tournaments
1         australian open                       a                      1r                      2r                      1r                       a                      3r                      lq                      lq                      lq                       a                      1r
2             french open                       a                      1r                      1r                      lq                      lq                      1r                      lq                      lq                       a                      1r                      lq
3               wimbledon                       a                      4r                      3r                      1r                      lq                      2r                      lq                      1r                      1r                      2r                      lq
4                 us open                      lq                      1r                      1r                      1r                      lq                       a                      1r                      1r                      3r                      1r                      lq

Table as JSON:
{"tournament":{"0":"grand slam tournaments","1":"australian open","2":"french open","3":"wimbledon","4":"us open"},"1987":{"0":"grand slam tournaments","1":"a","2":"a","3":"a","4":"lq"},"1988":{"0":"grand slam tournaments","1":"1r","2":"1r","3":"4r","4":"1r"},"1989":{"0":"grand slam tournaments","1":"2r","2":"1r","3":"3r","4":"1r"},"1990":{"0":"grand slam tournaments","1":"1r","2":"lq","3":"1r","4":"1r"},"1991":{"0":"grand slam tournaments","1":"a","2":"lq","3":"lq","4":"lq"},"1992":{"0":"grand slam tournaments","1":"3r","2":"1r","3":"2r","4":"a"},"1993":{"0":"grand slam tournaments","1":"lq","2":"lq","3":"lq","4":"1r"},"1994":{"0":"grand slam tournaments","1":"lq","2":"lq","3":"1r","4":"1r"},"1995":{"0":"grand slam tournaments","1":"lq","2":"a","3":"1r","4":"3r"},"1996":{"0":"grand slam tournaments","1":"a","2":"1r","3":"2r","4":"1r"},"1997":{"0":"grand slam tournaments","1":"1r","2":"lq","3":"lq","4":"lq"}}