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_30083499_1 ( coefficient VARCHAR, tournament VARCHAR )

### Question ###
the 2010 clausura tournament?

### Accurate SQL ###

SELECT coefficient FROM table_30083499_1 WHERE tournament = "2010 Clausura"