What is the entrant earlier than 1956 with a Vanwall Special chassis?
CREATE TABLE table_name_19 (entrant VARCHAR, year VARCHAR, chassis VARCHAR)
SELECT entrant FROM table_name_19 WHERE year < 1956 AND chassis = "vanwall special"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (entrant VARCHAR, year VARCHAR, chassis VARCHAR) Question: What is the entrant earlier than 1956 with a Vanwall Special chassis? [/INST] SELECT entrant FROM table_name_19 WHERE year < 1956 AND chassis = "vanwall special" </s>