CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text
);

Question: Which tournament had a 2R categorization in 2009 and SF in 2010?
SQL: SELECT "tournament" FROM "doubles_performance_timeline" WHERE "2009"='2r' AND "2010"='sf';

Question: What is the categorization in 2009 when it was 2R in 2008 and 2011?
SQL: SELECT "2009" FROM "doubles_performance_timeline" WHERE "2008"='2r' AND "2011"='2r';

Question: What is the categorization in 2012 when it was A in 2008 and 1R in 2011?
SQL: SELECT "2012" FROM "doubles_performance_timeline" WHERE "2008"='a' AND "2011"='1r';

Question: What is the categorization in 2010 when it was A in 2008 and 20011 while being QF in 2012?
SQL: SELECT "2010" FROM "doubles_performance_timeline" WHERE "2008"='a' AND "2011"='a' AND "2012"='qf';