Database: allergy_1
Question: What is the full name of each student who is not allergic to any type of food.
SQL:
SELECT fname ,  lname FROM Student WHERE StuID NOT IN (SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy  =  T2.Allergy WHERE T2.allergytype  =  "food")