CREATE TABLE table_name_27 (gpu_frequency VARCHAR(255), release_date VARCHAR(255), sspec_number VARCHAR(255))
What is the GPU frequency for the processor released in June 2013, with a sSpec number of sr17l(c0)?
    
SQL: SELECT gpu_frequency FROM table_name_27 WHERE release_date = "june 2013" AND sspec_number = "sr17l(c0)"