How many songs have a lead vocal?
CREATE TABLE vocals (songid VARCHAR); CREATE TABLE songs (songid VARCHAR)
SELECT COUNT(DISTINCT title) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid WHERE TYPE = "lead"
### Context: CREATE TABLE vocals (songid VARCHAR); CREATE TABLE songs (songid VARCHAR) ### Question: How many songs have a lead vocal? ### Answer: SELECT COUNT(DISTINCT title) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid WHERE TYPE = "lead"