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_2215159_2 (outcome VARCHAR, year VARCHAR, surface VARCHAR, partner VARCHAR)

### Question ###
How many outcomes were there for matches played with Chuck McKinley on grass in 1962?

### Accurate SQL ###

SELECT COUNT(outcome) FROM table_2215159_2 WHERE surface = "Grass" AND partner = "Chuck McKinley" AND year = 1962