CREATE TABLE "broadcast" (
  "callsign" text,
  "city_of_license" text,
  "virtual_channel" text,
  "digital_channel" text,
  "network" text
);

Question: What digital channel corresponds to virtual channel 23.2?
SQL: SELECT "digital_channel" FROM "broadcast" WHERE "virtual_channel"='23.2';

Question: What digital channel corresponds to virtual channel 5.2?
SQL: SELECT "digital_channel" FROM "broadcast" WHERE "virtual_channel"='5.2';

Question: What network airs on virtual channel 23.1?
SQL: SELECT "network" FROM "broadcast" WHERE "virtual_channel"='23.1';

Question: How many networks run on virtual channel 23.4?
SQL: SELECT COUNT("network") FROM "broadcast" WHERE "virtual_channel"='23.4';

Question: What city licensed the broadcast on virtual channel 8.2?
SQL: SELECT "city_of_license" FROM "broadcast" WHERE "virtual_channel"='8.2';