SELECT T2.petid FROM student AS T1 JOIN has_pet AS T2 ON T1.stuid  =  T2.stuid WHERE T1.Lname  =  'Smith'
What is the id of the pet owned by the student whose last name is 'Smith'?
SELECT T2.petid FROM student AS T1 JOIN has_pet AS T2 ON T1.stuid = T2.stuid WHERE T1.Lname = 'Smith '
select t2 . petid from student as t1 join has_pet as t2 on t1 . stuid = t2 . stuid where t1 . lname = value
What is the id of the pet owned by the student whose last name is 'Smith ' ?