What is the name and country for the artist with most number of exhibitions?
CREATE TABLE exhibition_record (
    exhibition_id number,
    date text,
    attendance number
)

CREATE TABLE exhibition (
    exhibition_id number,
    year number,
    theme text,
    artist_id number,
    ticket_price number
)

CREATE TABLE artist (
    artist_id number,
    name text,
    country text,
    year_join number,
    age number
)
SELECT T2.name, T2.country FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id = T2.artist_id GROUP BY T1.artist_id 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: What is the name and country for the artist with most number of exhibitions? ### Input: CREATE TABLE exhibition_record (
    exhibition_id number,
    date text,
    attendance number
)

CREATE TABLE exhibition (
    exhibition_id number,
    year number,
    theme text,
    artist_id number,
    ticket_price number
)

CREATE TABLE artist (
    artist_id number,
    name text,
    country text,
    year_join number,
    age number
) ### Response: SELECT T2.name, T2.country FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id = T2.artist_id GROUP BY T1.artist_id ORDER BY COUNT(*) DESC LIMIT 1