CREATE TABLE table_9498 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "L2 cache" TEXT, "Mult." TEXT, "Voltage" TEXT, "Socket" TEXT, "Part number ( s ) " TEXT)

Which model number has socket pga2 bga2 mmc-2?
SELECT "Model number" FROM table_9498 WHERE "Socket" = 'μpga2 bga2 mmc-2'
SELECT "Model number" FROM "table_9498" WHERE "Socket" = 'μpga2 bga2 mmc-2'