CREATE TABLE table_75605 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

ERP W that has a Class of d, and a Call sign of k299ar is what total number?
SELECT COUNT("ERP W") FROM table_75605 WHERE "Class" = 'd' AND "Call sign" = 'k299ar'
SELECT COUNT("ERP W") FROM "table_75605" WHERE "Call sign" = 'k299ar' AND "Class" = 'd'