CREATE TABLE "table1_23915973_1" (
  "branding" text,
  "callsign" text,
  "frequency" text,
  "power_k_w" text,
  "coverage" text
);

Question: What is the frequency when radio station branding is 106.3 energy fm naga?
SQL: SELECT "frequency" FROM "table1_23915973_1" WHERE "branding"='106.3 Energy FM Naga';

Question: What is the callsign when power kw is 25kw?
SQL: SELECT "callsign" FROM "table1_23915973_1" WHERE "power_k_w"='25kW';

Question: What is the frequency when callsign is dxru-fm?
SQL: SELECT "frequency" FROM "table1_23915973_1" WHERE "callsign"='DXRU-FM';

Question: What is the radio station branding when the power km is 5kw?
SQL: SELECT "branding" FROM "table1_23915973_1" WHERE "power_k_w"='5kW';

Question: What is the coverage when power kw is 25kw?
SQL: SELECT "coverage" FROM "table1_23915973_1" WHERE "power_k_w"='25kW';

Question: How many power kw have a frequency of 93.7 mhz?
SQL: SELECT COUNT("power_k_w") FROM "table1_23915973_1" WHERE "frequency"='93.7 MHz';