What is the Power (kW) for the station with the frequency of 98.7mhz?
CREATE TABLE "fm_stations" (
  "branding" text,
  "callsign" text,
  "frequency" text,
  "power_k_w" text,
  "location" text
);
SELECT "power_k_w" FROM "fm_stations" WHERE "frequency"='98.7mhz';