Which 2008–09 has a 2012–13 of q, and a 2006–07 of q, and a 2007–08 of qf?
CREATE TABLE "grand_slam_record" (
  "event" text,
  "2006_07" text,
  "2007_08" text,
  "2008_09" text,
  "2009_10" text,
  "2010_11" text,
  "2012_13" text
);
SELECT "2008_09" FROM "grand_slam_record" WHERE "2012_13"='q' AND "2006_07"='q' AND "2007_08"='qf';