What is sSpec Number, when Frequency is 1 GHZ?
CREATE TABLE "45_nm" (
  "model_number" text,
  "s_spec_number" text,
  "frequency" text,
  "gpu_frequency" text,
  "l2_cache" text,
  "i_o_bus" text,
  "memory" text,
  "socket" text,
  "release_date" text,
  "part_number_s" text
);
SELECT "s_spec_number" FROM "45_nm" WHERE "frequency"='1 ghz';