Question: What 2009 has Statistics by surface in 2012?
SQL: SELECT "2009" FROM "2-16741821-7" WHERE "2012" = 'Statistics by surface';

Question: What 2001 has a ATP World Tour Masters 1000 2007?
SQL: SELECT "2011" FROM "2-16741821-7" WHERE "2007" = 'ATP World Tour Masters 1000';

Question: WhAt 2010 hAs An A 2006 & 2011?
SQL: SELECT "2010" FROM "2-16741821-7" WHERE "2006" = 'A' AND "2011" = 'A';

Question: What 2009 has a 0 in 2008 & 2010?
SQL: SELECT "2009" FROM "2-16741821-7" WHERE "2010" = '0' AND "2008" = '0';