CREATE TABLE table_9826 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "GPU frequency" TEXT, "L2 cache" TEXT, "I/O bus" TEXT, "Memory" TEXT, "Voltage" TEXT, "Socket" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT)

What is GPU Frequency, when Model Number is Atom N435?
SELECT "GPU frequency" FROM table_9826 WHERE "Model number" = 'atom n435'
SELECT "GPU frequency" FROM "table_9826" WHERE "Model number" = 'atom n435'