CREATE TABLE table_49713 ("Model number" CLOB, "Frequency" CLOB, "L2 cache" CLOB, "Mult." CLOB, "Voltage" CLOB, "Socket" CLOB)

What is Frequency, when Model Number is Pentium II 400?
SELECT "Frequency" FROM table_49713 WHERE "Model number" = 'pentium ii 400'
SELECT "Frequency" FROM "table_49713" WHERE "Model number" = 'pentium ii 400'