How many Horsepowers have a Year smaller than 1974, and a Tonnage of 4437?
CREATE TABLE table_name_51 (horsepowers INTEGER, year VARCHAR, tonnage VARCHAR)
SELECT SUM(horsepowers) FROM table_name_51 WHERE year < 1974 AND tonnage = 4437
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_51 (horsepowers INTEGER, year VARCHAR, tonnage VARCHAR) Question: How many Horsepowers have a Year smaller than 1974, and a Tonnage of 4437? [/INST] SELECT SUM(horsepowers) FROM table_name_51 WHERE year < 1974 AND tonnage = 4437 </s>