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_24638867_4 ( championship VARCHAR, surface VARCHAR, opponent VARCHAR )

### Question ###
What championships were played on clay and the opponent was virginia ruano pascual paola su rez?

### Accurate SQL ###

SELECT championship FROM table_24638867_4 WHERE surface = "Clay" AND opponent = "Virginia Ruano Pascual Paola Suárez"