CREATE TABLE table_17 ("#" TEXT, "Shipyard" TEXT, "Laid down" TEXT, "Launched" TEXT, "Commissioned" TEXT, "Fleet" TEXT, "Status" TEXT)

When were ships laid down that were commissioned on october 29, 1965?
SELECT "Laid down" FROM table_17 WHERE "Commissioned" = 'October 29, 1965'
SELECT "Laid down" FROM "table_17" WHERE "Commissioned" = 'October 29, 1965'