How many pole position achieved 0 points from Mexico?
CREATE TABLE table_27279050_1 (poles VARCHAR, points VARCHAR, nation VARCHAR)
SELECT COUNT(poles) FROM table_27279050_1 WHERE points = "0" AND nation = "Mexico"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27279050_1 (poles VARCHAR, points VARCHAR, nation VARCHAR) Question: How many pole position achieved 0 points from Mexico? [/INST] SELECT COUNT(poles) FROM table_27279050_1 WHERE points = "0" AND nation = "Mexico" </s>