Table: radio_stations_sg
Columns: frequency
station
operator
language
genre

Question: What genre has a station of Class 95FM?
SQL: SELECT "genre" FROM radio_stations_sg WHERE "station" = 'class 95fm'

Question: What is the genre of the BBC World Service?
SQL: SELECT "genre" FROM radio_stations_sg WHERE "station" = 'bbc world service'

Question: Which station is operated by BBC Radio under the talk radio genre?
SQL: SELECT "station" FROM radio_stations_sg WHERE "genre" = 'talk radio' AND "operator" = 'bbc radio'