CREATE TABLE table_26906 ("Codename  ( main article ) " TEXT, "Brand name  ( list ) " TEXT, "Cores" FLOAT, "L3 Cache" TEXT, "Socket" TEXT, "TDP" TEXT, "I/O Bus" TEXT)

How many sockets are listed that have a brand name of 'Core i3-2xx7m'?
SELECT COUNT("Socket") FROM table_26906 WHERE "Brand name (list)" = 'Core i3-2xx7M'
SELECT COUNT("Socket") FROM "table_26906" WHERE "Brand name (list)" = 'Core i3-2xx7M'