CREATE TABLE "analogue_terrestrial_television" (
  "channel" text,
  "description" text,
  "financed_by" text,
  "owned_by" text,
  "launched" real
);

Question: What channel has a description of the public broadcaster?
SQL: SELECT "channel" FROM "analogue_terrestrial_television" WHERE "description"='public broadcaster';

Question: What was the channel that was financed by commercials?
SQL: SELECT "channel" FROM "analogue_terrestrial_television" WHERE "financed_by"='commercials';