<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>what is the ship types delivered when the total vessels built for usmc is 13 ships for usmc (plus 37 more for usn)?

SQL Table Create Statement:
CREATE TABLE table_name_21 (ship_types_delivered VARCHAR, total_vessels_built_for_usmc VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT ship_types_delivered FROM table_name_21 WHERE total_vessels_built_for_usmc = "13 ships for usmc (plus 37 more for usn)"</codeend><|end|>