What ship was built by Palmers Shipbuilding and Iron Company for the Royal Navy?
CREATE TABLE table_name_81 (
    ship VARCHAR,
    country VARCHAR,
    builder VARCHAR
)
SELECT ship FROM table_name_81 WHERE country = "royal navy" AND builder = "palmers shipbuilding and iron company"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What ship was built by Palmers Shipbuilding and Iron Company for the Royal Navy? ### Input: CREATE TABLE table_name_81 (
    ship VARCHAR,
    country VARCHAR,
    builder VARCHAR
) ### Response: SELECT ship FROM table_name_81 WHERE country = "royal navy" AND builder = "palmers shipbuilding and iron company"