CREATE TABLE table_51062 ("Model number" CLOB, "sSpec number" CLOB, "Frequency" CLOB, "GPU frequency" CLOB, "L2 cache" CLOB, "I/O bus" CLOB, "Memory" CLOB, "Socket" CLOB, "Release date" CLOB, "Part number ( s ) " CLOB)

What is Frequency, when Part Number(s) is AY80609004002AC?
SELECT "Frequency" FROM table_51062 WHERE "Part number(s)" = 'ay80609004002ac'
SELECT "Frequency" FROM "table_51062" WHERE "Part number(s)" = 'ay80609004002ac'