CREATE TABLE table_66145 ("Model number" TEXT, "sSpec number" TEXT, "Cores" TEXT, "Frequency" TEXT, "Turbo" TEXT, "L2 cache" TEXT, "L3 cache" TEXT, "GPU model" TEXT, "GPU frequency" TEXT, "Socket" TEXT, "I/O bus" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT, "Release price  (  USD  ) " TEXT)

What is the GPU frequency for the processor released in June 2013, with a sSpec number of sr17l(c0)?
SELECT "GPU frequency" FROM table_66145 WHERE "Release date" = 'june 2013' AND "sSpec number" = 'sr17l(c0)'
SELECT "GPU frequency" FROM "table_66145" WHERE "Release date" = 'june 2013' AND "sSpec number" = 'sr17l(c0)'