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_name_42 ( year VARCHAR, score VARCHAR, location VARCHAR, runner_up VARCHAR )

### Question ###
How many years had a location at Forest Hills and a score of 6 3, 6 3 for John McEnroe?

### Accurate SQL ###

SELECT COUNT(year) FROM table_name_42 WHERE location = "forest hills" AND runner_up = "john mcenroe" AND score = "6–3, 6–3"