CREATE TABLE table_79688 ("Call sign" CLOB, "Frequency MHz" FLOAT, "City of license" CLOB, "ERP W" FLOAT, "Class" CLOB, "FCC info" CLOB)

What is the sum of the erp w of the k222al call sign?
SELECT SUM("ERP W") FROM table_79688 WHERE "Call sign" = 'k222al'
SELECT SUM("ERP W") FROM "table_79688" WHERE "Call sign" = 'k222al'