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_27 ( gpu_frequency VARCHAR, release_date VARCHAR, sspec_number VARCHAR )

### Question ###
What is the GPU frequency for the processor released in June 2013, with a sSpec number of sr17l(c0)?

### Accurate SQL ###

SELECT gpu_frequency FROM table_name_27 WHERE release_date = "june 2013" AND sspec_number = "sr17l(c0)"