What's the part number of the model with TDP of 2.9 (max.4.1~5.4) w?
CREATE TABLE "tillamook_0_25_m" (
  "model_number" text,
  "frequency" text,
  "l1_cache" text,
  "fsb" text,
  "mult" text,
  "voltage" text,
  "tdp" text,
  "socket" text,
  "release_date" text,
  "part_number_s" text,
  "s_spec_number" text
);
SELECT "part_number_s" FROM "tillamook_0_25_m" WHERE "tdp"='2.9 (Max.4.1~5.4) W';