How many events did nigel mansell drive the fastest and a mclaren - honda win?
CREATE TABLE table_1139087_2 (grand_prix VARCHAR, constructor VARCHAR, fastest_lap VARCHAR)
SELECT COUNT(grand_prix) FROM table_1139087_2 WHERE constructor = "McLaren - Honda" AND fastest_lap = "Nigel Mansell"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1139087_2 (grand_prix VARCHAR, constructor VARCHAR, fastest_lap VARCHAR) Question: How many events did nigel mansell drive the fastest and a mclaren - honda win? [/INST] SELECT COUNT(grand_prix) FROM table_1139087_2 WHERE constructor = "McLaren - Honda" AND fastest_lap = "Nigel Mansell" </s>