Table: david_marrero_tournaments
Columns: tournament
2009
2010
2011
2012
2013

Question: What is the 2010 with a qf in 2011?
SQL: SELECT "2010" FROM david_marrero_tournaments WHERE "2011" = 'qf'

Question: What is the 2013 of the grand slam tournaments?
SQL: SELECT "2013" FROM david_marrero_tournaments WHERE "tournament" = 'grand slam tournaments'

Question: What is the 2013 with a 2r in 2010 and a qf in 2011?
SQL: SELECT "2013" FROM david_marrero_tournaments WHERE "2010" = '2r' AND "2011" = 'qf'

Question: What is the 2011 with 1r in 2010?
SQL: SELECT "2011" FROM david_marrero_tournaments WHERE "2010" = '1r'

Question: What is the 2012 with A in 2009 and 2r in 2010?
SQL: SELECT "2012" FROM david_marrero_tournaments WHERE "2009" = 'a' AND "2010" = '2r'