Table: oliver_marach_tournaments
Columns: tournament
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011

Question: Which tournament's 2001 and 2008 were a when 2010 was qf?
SQL: SELECT "tournament" FROM oliver_marach_tournaments WHERE "2001" = 'a' AND "2008" = 'a' AND "2010" = 'qf'

Question: Which tournament's 2001 and 2006s were a?
SQL: SELECT "tournament" FROM oliver_marach_tournaments WHERE "2001" = 'a' AND "2006" = 'a'

Question: Which 2007 had a 2009 taht was qf when its 2000 was a?
SQL: SELECT "2007" FROM oliver_marach_tournaments WHERE "2009" = 'qf' AND "2000" = 'a'

Question: Which 2008 had a 1998 and 2006 that were a when 2009 was sf?
SQL: SELECT "2008" FROM oliver_marach_tournaments WHERE "1998" = 'a' AND "2009" = 'sf' AND "2006" = 'a'