human
Schema:
Person (name, age, city, gender, job)
PersonFriend (name, friend, year)
Please answer with SQL.
assistant
Sure, I understand.
human
Can you list the person names and their friends?
assistant
SELECT name , friend FROM personFriend;
human
Hmm, I want to know which friends are above 40 years old or below 30 years old. | do you mean the name of the person who has friends with age above 40 and under age 30? | I want to know the ages of the friends first, please.
assistant
SELECT T2.friend , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend ;