CREATE TABLE table_37039 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Name the total number of frequency Mhz with class of d and call sign of k201bm and ERP W less than 74
SELECT COUNT("Frequency MHz") FROM table_37039 WHERE "Class" = 'd' AND "Call sign" = 'k201bm' AND "ERP W" < '74'
SELECT COUNT("Frequency MHz") FROM "table_37039" WHERE "Call sign" = 'k201bm' AND "Class" = 'd' AND "ERP W" < '74'