Find the first name of the band mate that has performed in most songs.
CREATE TABLE Songs (
    SongId VARCHAR
)

CREATE TABLE Band (
    firstname VARCHAR,
    id VARCHAR
)

CREATE TABLE Performance (
    bandmate VARCHAR
)
SELECT t2.firstname FROM Performance AS t1 JOIN Band AS t2 ON t1.bandmate = t2.id JOIN Songs AS T3 ON T3.SongId = T1.SongId GROUP BY firstname ORDER BY COUNT(*) DESC LIMIT 1
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Find the first name of the band mate that has performed in most songs. ### Input: CREATE TABLE Songs (
    SongId VARCHAR
)

CREATE TABLE Band (
    firstname VARCHAR,
    id VARCHAR
)

CREATE TABLE Performance (
    bandmate VARCHAR
) ### Response: SELECT t2.firstname FROM Performance AS t1 JOIN Band AS t2 ON t1.bandmate = t2.id JOIN Songs AS T3 ON T3.SongId = T1.SongId GROUP BY firstname ORDER BY COUNT(*) DESC LIMIT 1