What kind of decor has the least number of reservations?
CREATE TABLE Rooms (
    decor VARCHAR,
    RoomId VARCHAR
)

CREATE TABLE Reservations (
    Room VARCHAR
)
SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY COUNT(T2.decor) 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: What kind of decor has the least number of reservations? ### Input: CREATE TABLE Rooms (
    decor VARCHAR,
    RoomId VARCHAR
)

CREATE TABLE Reservations (
    Room VARCHAR
) ### Response: SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY COUNT(T2.decor) LIMIT 1