Table: nimitz_class_carriers
Columns: ship
hull_number
laid_down
launched
commissioned

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

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

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

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

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

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