Database: aan_1
Question: Find all papers with titles and paper IDs collaborated by Stanford University and Columbia University.
SQL:
SELECT T1.title ,  T1.paper_id FROM Paper AS T1 JOIN Author_list AS T2 ON T1.paper_id  =  T2.paper_id JOIN Affiliation AS T3 ON T2.affiliation_id  =  T3.affiliation_id WHERE T3.name LIKE "Stanford University" INTERSECT SELECT T1.title ,  T1.paper_id FROM Paper AS T1 JOIN Author_list AS T2 ON T1.paper_id  =  T2.paper_id JOIN Affiliation AS T3 ON T2.affiliation_id  =  T3.affiliation_id WHERE T3.name LIKE "Columbia University"