human
Schema:
Allergy_Type (Allergy, AllergyType)
Has_Allergy (StuID, Allergy)
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Please answer with SQL.
assistant
Sure, I understand.
human
Can you list all student IDs that have any kind of allergy?
assistant
SELECT StuID FROM Has_allergy;
human
Can you filter the list to only show student IDs that have food and animal type allergies?
assistant
SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = 'food' INTERSECT SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = 'animal';
human
Can you display the ages associated with those student IDs?
assistant
SELECT age FROM Student WHERE StuID IN ( SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "food" INTERSECT SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "animal" ) ;