CREATE TABLE table_8838 ("Model Number" CLOB, "Frequency" CLOB, "L2-Cache" CLOB, "Front Side Bus" CLOB, "Multiplier" CLOB, "Voltage" CLOB, "Socket" CLOB)

Which Frequency has a Model Number of c3 1.4a?
SELECT "Frequency" FROM table_8838 WHERE "Model Number" = 'c3 1.4a'
SELECT "Frequency" FROM "table_8838" WHERE "Model Number" = 'c3 1.4a'