Table: tournaments_over_time
Columns: tournament
1990
1991
1992
1993
1994
1995
1996
1997
1998
career_sr
career_win_loss

Question: What is the 1995 value with of the 1993 ATP Masters Series?
SQL: SELECT "1995" FROM tournaments_over_time WHERE "1993" = 'atp masters series'

Question: What is the 1993 value of the 1997 Grand Slams?
SQL: SELECT "1993" FROM tournaments_over_time WHERE "1997" = 'grand slams'

Question: What is the 1998 value with A in 1995, A in 1993, and 1r in 1996?
SQL: SELECT "1998" FROM tournaments_over_time WHERE "1995" = 'a' AND "1993" = 'a' AND "1996" = '1r'