What is Model Number, when Part Number(s) is AY80609003987AB?
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 "model_number" FROM "45_nm" WHERE "part_number_s"='ay80609003987ab';