CREATE TABLE "grand_slam_record" (
  "event" text,
  "2006_07" text,
  "2009_10" text,
  "2010_11" text,
  "2011_12" text,
  "2012_13" text
);

Question: what is the event when 2011-12 is n/a?
SQL: SELECT "event" FROM "grand_slam_record" WHERE "2011_12"='n/a';

Question: what is the event when 2009-10 is dnp?
SQL: SELECT "event" FROM "grand_slam_record" WHERE "2009_10"='dnp';

Question: what is the event when 2006-07 is dnp?
SQL: SELECT "event" FROM "grand_slam_record" WHERE "2006_07"='dnp';

Question: what is 2012-13 when 2011-12 is dnp and event is autumn gold?
SQL: SELECT "2012_13" FROM "grand_slam_record" WHERE "2011_12"='dnp' AND "event"='autumn gold';

Question: what is 2012-13 when 2011-12 is dnp and 2006-07 is dnp and 2010-11 is q?
SQL: SELECT "2012_13" FROM "grand_slam_record" WHERE "2011_12"='dnp' AND "2006_07"='dnp' AND "2010_11"='q';