What kind of allergy is most common among white people?
kind of allergy is most common refers to MAX(COUNT(DESCRIPTION)) from allergies; white refers to race = 'white';
SELECT T2.DESCRIPTION FROM patients AS T1 INNER JOIN allergies AS T2 ON T1.patient = T2.PATIENT WHERE T1.race = 'white' GROUP BY T2.DESCRIPTION ORDER BY COUNT(T2.DESCRIPTION) DESC LIMIT 1