CREATE TABLE table_68908 ("Model" TEXT, "Codename" TEXT, "Released" TEXT, "Fab  (  nm  ) " FLOAT, "SATA" TEXT, "USB 2.0+1.1" TEXT, "USB 3.0" TEXT, "Parallel ATA 1" TEXT, "RAID" FLOAT, "Gb Ethernet MAC" TEXT, "Package" TEXT, "TDP  (  W  ) " FLOAT)

What is the average Fab (nm) of the chipset released in q4 2008 with a RAID larger than 0,1,5,10?
SELECT AVG("Fab ( nm )") FROM table_68908 WHERE "Released" = 'q4 2008' AND "RAID" > '0,1,5,10'
SELECT AVG("Fab ( nm )") FROM "table_68908" WHERE "RAID" > '0,1,5,10' AND "Released" = 'q4 2008'