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_2268216_1 (year VARCHAR, team VARCHAR, manufacturer VARCHAR)

### Question ###
How many years was Pontiac the manufacturer for Joe Gibbs Racing? 

### Accurate SQL ###

SELECT COUNT(year) FROM table_2268216_1 WHERE team = "Joe Gibbs Racing" AND manufacturer = "Pontiac"