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
What is the name and country for the artist with most number of exhibitions?
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
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 value
What is the name and country for the artist with most number of exhibitions ?