What is the engine(s) on the car before 1978 with ensign n177 chassis?
CREATE TABLE table_name_71 (engine_s_ VARCHAR, chassis VARCHAR, year VARCHAR)
SELECT engine_s_ FROM table_name_71 WHERE chassis = "ensign n177" AND year < 1978
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_71 (engine_s_ VARCHAR, chassis VARCHAR, year VARCHAR) Question: What is the engine(s) on the car before 1978 with ensign n177 chassis? [/INST] SELECT engine_s_ FROM table_name_71 WHERE chassis = "ensign n177" AND year < 1978 </s>