Question: What is the HDTV status of the R-LIGHT television service?
SQL: SELECT "HDTV" FROM "2-15887683-19" WHERE "Television service" = 'R-LIGHT';

Question: Which television service has programmi per adulti 24h/24 content and no HDTV?
SQL: SELECT "Television service" FROM "2-15887683-19" WHERE "Content" = 'programmi per adulti 24h/24' AND "HDTV" = 'no';

Question: Which television service has a qualsiasi package/option?
SQL: SELECT "Television service" FROM "2-15887683-19" WHERE "Package/Option" = 'qualsiasi';