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_83 ( career_w_l VARCHAR, tournament VARCHAR )

### Question ###
What is the value for Career W-L for the Grand Slam Tournaments?

### Accurate SQL ###

SELECT career_w_l FROM table_name_83 WHERE tournament = "grand slam tournaments"