CREATE TABLE table_26559 ("Model number" CLOB, "Frequency" CLOB, "L1 Cache" CLOB, "FSB" CLOB, "Mult." CLOB, "Voltage" CLOB, "TDP" CLOB, "Socket" CLOB, "Release date" CLOB, "Part number ( s ) " CLOB, "sSpec number" CLOB)

What's the part number of the model with TDP of 2.9 (max.4.1~5.4) w?
SELECT "Part number(s)" FROM table_26559 WHERE "TDP" = '2.9 (Max.4.1~5.4) W'
SELECT "Part number(s)" FROM "table_26559" WHERE "TDP" = '2.9 (Max.4.1~5.4) W'