CREATE TABLE table_26391 ("Branding" TEXT, "Callsign" TEXT, "Frequency" TEXT, "Power kW" TEXT, "Coverage" TEXT)

How many power kw have a frequency of 93.7 mhz?
SELECT COUNT("Power kW") FROM table_26391 WHERE "Frequency" = '93.7 MHz'
SELECT COUNT("Power kW") FROM "table_26391" WHERE "Frequency" = '93.7 MHz'