Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_81 (ship VARCHAR, country VARCHAR, builder VARCHAR)
### Question:
What ship was built by Palmers Shipbuilding and Iron Company for the Royal Navy?
### Answer:
SELECT ship FROM table_name_81 WHERE country = "royal navy" AND builder = "palmers shipbuilding and iron company"