What is the categorization in 2010 when it was A in 2008 and 20011 while being QF in 2012?
CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text
);
SELECT "2010" FROM "doubles_performance_timeline" WHERE "2008"='a' AND "2011"='a' AND "2012"='qf';