sql1 = select artists.* order by artists.deathyear - artists.birthyear limit 1 sql2 = select artists.deathyear - artists.birthyear order by artists.deathyear - artists.birthyear limit 1
sql1 = select artists.* order by artists.deathyear - artists.birthyear limit 1
sql2 = select artists.deathyear - artists.birthyear order by artists.deathyear - artists.birthyear limit 1