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_1331313_1 ( department VARCHAR, incumbent VARCHAR )

### Question ###
what's the department with incumbent being enrique ona

### Accurate SQL ###

SELECT department FROM table_1331313_1 WHERE incumbent = "Enrique Ona"