Show all allergy types.
CREATE TABLE Allergy_type (
    allergytype VARCHAR
)
SELECT DISTINCT allergytype FROM Allergy_type
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: Show all allergy types. ### Input: CREATE TABLE Allergy_type (
    allergytype VARCHAR
) ### Response: SELECT DISTINCT allergytype FROM Allergy_type