CREATE TABLE table_49712 ("Model number" TEXT, "Frequency" TEXT, "L2 cache" TEXT, "Mult." TEXT, "Voltage" TEXT, "Socket" TEXT)

What is Mult, when Model Number is Pentium II 450?
SELECT "Mult." FROM table_49712 WHERE "Model number" = 'pentium ii 450'
SELECT "Mult." FROM "table_49712" WHERE "Model number" = 'pentium ii 450'