CREATE TABLE table_8840 ("Model Number" TEXT, "Frequency" TEXT, "L2-Cache" TEXT, "Front Side Bus" TEXT, "Multiplier" TEXT, "Voltage" TEXT, "Socket" TEXT)

Which Front Side Bus has a Voltage of 1.4 v, and a Frequency of 1333 mhz?
SELECT "Front Side Bus" FROM table_8840 WHERE "Voltage" = '1.4 v' AND "Frequency" = '1333 mhz'
SELECT "Front Side Bus" FROM "table_8840" WHERE "Frequency" = '1333 mhz' AND "Voltage" = '1.4 v'