what is 2012-13 when 2011-12 is dnp and event is autumn gold?
CREATE TABLE "grand_slam_record" (
  "event" text,
  "2006_07" text,
  "2009_10" text,
  "2010_11" text,
  "2011_12" text,
  "2012_13" text
);
SELECT "2012_13" FROM "grand_slam_record" WHERE "2011_12"='dnp' AND "event"='autumn gold';