Database: icfp_1
Question: Which authors have written a paper with title containing the word "Monadic"? Return their last names.
SQL:
SELECT t1.lname FROM authors AS t1 JOIN authorship AS t2 ON t1.authid  =  t2.authid JOIN papers AS t3 ON t2.paperid  =  t3.paperid WHERE t3.title LIKE "%Monadic%"