Database: art_1
Question: Find the first and last names of the artists who have both works of paintings and sculptures?
SQL:
SELECT T1.lname ,  T1.fname FROM artists AS T1 JOIN sculptures AS T2 ON T1.artistID  =  T2.sculptorID INTERSECT SELECT T3.lname ,  T3.fname FROM artists AS T3 JOIN paintings AS T4 ON T3.artistID  =  T4.painterID