CREATE TABLE table_17024 ("Ships name" TEXT, "Date entered service" TEXT, "Date withdrawn" TEXT, "Tonnage" FLOAT, "Type of Ship" TEXT)

what's the date entered service with ships name koningin wilhelmina
SELECT "Date entered service" FROM table_17024 WHERE "Ships name" = 'Koningin Wilhelmina'
SELECT "Date entered service" FROM "table_17024" WHERE "Ships name" = 'Koningin Wilhelmina'