Table schema:
CREATE TABLE table_name_23 (language VARCHAR, television_service VARCHAR, hdtv VARCHAR, package_option VARCHAR)

Question: What language has NO, as the HDTV, sky famiglia as the package/option, and national geographic channel as the television service?
SQL: SELECT language FROM table_name_23 WHERE hdtv = "no" AND package_option = "sky famiglia" AND television_service = "national geographic channel"