Who constructed the car in round 1 with a Chassis of 250F?
CREATE TABLE table_name_86 (constructor VARCHAR, chassis VARCHAR, rounds VARCHAR)
SELECT constructor FROM table_name_86 WHERE chassis = "250f" AND rounds = "1"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_86 (constructor VARCHAR, chassis VARCHAR, rounds VARCHAR) Question: Who constructed the car in round 1 with a Chassis of 250F? [/INST] SELECT constructor FROM table_name_86 WHERE chassis = "250f" AND rounds = "1" </s>