what's the highest lap that contains the driver of graham hill and a grid that is larger than 18?
CREATE TABLE table_name_34 (laps INTEGER, driver VARCHAR, grid VARCHAR)
SELECT MAX(laps) FROM table_name_34 WHERE driver = "graham hill" AND grid > 18
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_34 (laps INTEGER, driver VARCHAR, grid VARCHAR) Question: what's the highest lap that contains the driver of graham hill and a grid that is larger than 18? [/INST] SELECT MAX(laps) FROM table_name_34 WHERE driver = "graham hill" AND grid > 18 </s>