CREATE TABLE "grand_slam_record" (
  "event" text,
  "2006_07" text,
  "2007_08" text,
  "2008_09" text,
  "2009_10" text,
  "2010_11" text,
  "2011_12" text,
  "2012_13" text
);

Question: What is the value in 2008-08 when DNP is the value in 2009-10?
SQL: SELECT "2008_09" FROM "grand_slam_record" WHERE "2009_10"='dnp';

Question: Which event had a DNP value in 2010-11?
SQL: SELECT "event" FROM "grand_slam_record" WHERE "2010_11"='dnp';

Question: What is the value in 2008-09 for the Autumn Gold event?
SQL: SELECT "2008_09" FROM "grand_slam_record" WHERE "event"='autumn gold';

Question: What is the value in 2006-07 when the value is SF in 2008-09?
SQL: SELECT "2006_07" FROM "grand_slam_record" WHERE "2008_09"='sf';