CREATE TABLE table_name_85 (frequency VARCHAR2, part_number_s_ VARCHAR2)

What is Frequency, when Part Number(s) is AY80609004002AC?
SELECT frequency FROM table_name_85 WHERE part_number_s_ = "ay80609004002ac"
SELECT "frequency" FROM "table_name_85" WHERE "ay80609004002ac" = "part_number_s_"