Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_16694 ( "Rd." real, "Grand Prix" text, "Date" text, "Location" text, "Pole Position" text, "Fastest Lap" text, "Winning Driver" text, "Constructor" text, "Report" text )

### Question ###
How many events did nigel mansell drive the fastest and a mclaren - honda win?

### Accurate SQL ###

SELECT COUNT("Grand Prix") FROM table_16694 WHERE "Constructor" = 'McLaren - Honda' AND "Fastest Lap" = 'Nigel Mansell'