CREATE TABLE table_13515 ("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 part number(s) when the turbo is 9/11 and the frequency is 1.5 ghz?
SELECT "Part number(s)" FROM table_13515 WHERE "Turbo" = '9/11' AND "Frequency" = '1.5 ghz'
SELECT "Part number(s)" FROM "table_13515" WHERE "Frequency" = '1.5 ghz' AND "Turbo" = '9/11'