Return the names of singers who are from UK and released an English song.
create table song (artist_name varchar, languages varchar, PRIMARY KEY (artist_name)); create table artist (artist_name varchar, PRIMARY KEY (artist_name)); create table artist (artist_name varchar, country varchar, PRIMARY KEY (artist_name))
select artist_name from artist where country = "uk" intersect select t1.artist_name from artist as t1 join song as t2 on t1.artist_name = t2.artist_name where t2.languages = "english"