What is the coverage for relay tv-37?
CREATE TABLE "rjtv_stations_nationwide_2nd_avenue" (
  "branding" text,
  "callsign" text,
  "ch_num" text,
  "power_k_w" text,
  "station_type" text,
  "coverage_transmitter_site" text
);
SELECT "coverage_transmitter_site" FROM "rjtv_stations_nationwide_2nd_avenue" WHERE "station_type"='Relay' AND "ch_num"='TV-37';