What is the HDTV that has television service of tv 8 mont blanc and content is general television?
CREATE TABLE "local_channels" (
  "television_service" text,
  "country" text,
  "language" text,
  "content" text,
  "hdtv" text,
  "package_option" text
);
SELECT "hdtv" FROM "local_channels" WHERE "content"='general television' AND "television_service"='tv 8 mont blanc';