Which allergy type has least number of allergies?
CREATE TABLE Allergy_type (
    allergytype VARCHAR
)
SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY COUNT(*) LIMIT 1
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which allergy type has least number of allergies? ### Input: CREATE TABLE Allergy_type (
    allergytype VARCHAR
) ### Response: SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY COUNT(*) LIMIT 1