SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name  =  T2.name WHERE T2.friend  =  'Bob'
Find the name of persons who are friends with Bob.
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Bob '
select t1 . name from person as t1 join personfriend as t2 on t1 . name = t2 . name where t2 . friend = value
Find the name of persons who are friends with Bob .