Table: tennis_stats_13
Columns: tournament
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009

Question: What is 1999, when 1998 is 2R?
SQL: SELECT "1999" FROM tennis_stats_13 WHERE "1998" = '2r'

Question: What is 1998, when 1994 is Grand Slam Tournaments?
SQL: SELECT "1998" FROM tennis_stats_13 WHERE "1994" = 'grand slam tournaments'

Question: What is 2009, when 2000 is 1R, and when 1998 is 3R?
SQL: SELECT "2009" FROM tennis_stats_13 WHERE "2000" = '1r' AND "1998" = '3r'

Question: What is 2009, when 2008 is 1R, and when Tournament is French Open?
SQL: SELECT "2009" FROM tennis_stats_13 WHERE "2008" = '1r' AND "tournament" = 'french open'

Question: What is 2009, when 2004 is 2R, and when 1993 is A?
SQL: SELECT "2009" FROM tennis_stats_13 WHERE "2004" = '2r' AND "1993" = 'a'