CREATE TABLE table_57764 ("Name" CLOB, "Pennant" CLOB, "Builder" CLOB, "Laid Down" CLOB, "Launched" CLOB, "Commissioned" CLOB)

What is the laid down date of the destroyer with a r29 pennant?
SELECT "Laid Down" FROM table_57764 WHERE "Pennant" = 'r29'
SELECT "Laid Down" FROM "table_57764" WHERE "Pennant" = 'r29'