CREATE TABLE table_49744 ("Model number" CLOB, "Frequency" CLOB, "L1 Cache" CLOB, "Mult." FLOAT, "Voltage" CLOB)

What is the Frequency, when the Voltage is 3.3 V?
SELECT "Frequency" FROM table_49744 WHERE "Voltage" = '3.3 v'
SELECT "Frequency" FROM "table_49744" WHERE "Voltage" = '3.3 v'