CREATE TABLE table_name_83 (builder VARCHAR, length VARCHAR, delivery VARCHAR)

Who built the ship that is 42.8 m long and was delivered in 2007?
SELECT builder FROM table_name_83 WHERE length = "42.8 m" AND delivery = 2007
SELECT "builder" FROM "table_name_83" WHERE "42.8 m" = "length" AND "delivery" = 2007