CREATE TABLE "ships_in_class" (
  "ship" text,
  "hull_number" text,
  "laid_down" text,
  "launched" text,
  "commissioned" text
);

Question: What is Commissioned, when Laid Down is "6 September 2003"?
SQL: SELECT "commissioned" FROM "ships_in_class" WHERE "laid_down"='6 september 2003';

Question: What is Launched, when Laid Down is "31 October 1981"?
SQL: SELECT "launched" FROM "ships_in_class" WHERE "laid_down"='31 october 1981';

Question: What is Ship, when Commissioned is "13 March 1982"?
SQL: SELECT "ship" FROM "ships_in_class" WHERE "commissioned"='13 march 1982';

Question: What is Launched, when Commissioned is "25 July 1998"?
SQL: SELECT "launched" FROM "ships_in_class" WHERE "commissioned"='25 july 1998';

Question: What is Laid Down, when Hull Number is "CVN-69"?
SQL: SELECT "laid_down" FROM "ships_in_class" WHERE "hull_number"='cvn-69';

Question: What is Laid Down, when Commissioned is "11 November 1989"?
SQL: SELECT "laid_down" FROM "ships_in_class" WHERE "commissioned"='11 november 1989';