Who are the friends of Bob?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name  =  T2.name WHERE T1.name  =  'Bob'
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name  =  T2.name WHERE T1.name  =  'Bob'
[{'friend': 'Zach'}]