instruction: List the first name of the students who do not have any food type allergy and count them in a bar chart.
response: SELECT Fname, COUNT(Fname) FROM Student WHERE NOT StuID IN (SELECT T1.StuID FROM Has_Allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.AllergyType = "food") GROUP BY Fname