Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE vocals (songid VARCHAR); CREATE TABLE songs (songid VARCHAR)
### Question:
How many songs have a shared vocal?
### Answer:
SELECT COUNT(DISTINCT title) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid WHERE TYPE = "shared"