Question: What shows for 2006, when 2013 is 2–4?
SQL: SELECT "2006" FROM "2-15852178-3" WHERE "2013" = '2–4';

Question: What shows for 2013 when the 2012 is 2R, and a 2009 is 2R?
SQL: SELECT "2013" FROM "2-15852178-3" WHERE "2012" = '2R' AND "2009" = '2R';

Question: What is the 2006 when the 2013 is 1R, and the 2012 is 1R?
SQL: SELECT "2006" FROM "2-15852178-3" WHERE "2013" = '1R' AND "2012" = '1R';

Question: What is the 2006 when the 2013 is 2R, and a Tournament was the US Open?
SQL: SELECT "2006" FROM "2-15852178-3" WHERE "2013" = '2R' AND "Tournament" = 'US Open';

Question: What is the Tournament when the 2013 is 2R, and a 2006 is 1R?
SQL: SELECT "Tournament" FROM "2-15852178-3" WHERE "2013" = '2R' AND "2006" = '1R';

Question: What is the Tournament when the 2013 is 1R?
SQL: SELECT "Tournament" FROM "2-15852178-3" WHERE "2013" = '1R';