Show the average of artists' age by country, and I want to order by the X-axis in asc.
CREATE TABLE exhibition_record (
    Exhibition_ID int,
    Date text,
    Attendance int
)

CREATE TABLE artist (
    Artist_ID int,
    Name text,
    Country text,
    Year_Join int,
    Age int
)

CREATE TABLE exhibition (
    Exhibition_ID int,
    Year int,
    Theme text,
    Artist_ID int,
    Ticket_Price real
)
SELECT Country, AVG(Age) FROM artist GROUP BY Country ORDER BY Country
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 the average of artists' age by country, and I want to order by the X-axis in asc. ### Input: CREATE TABLE exhibition_record (
    Exhibition_ID int,
    Date text,
    Attendance int
)

CREATE TABLE artist (
    Artist_ID int,
    Name text,
    Country text,
    Year_Join int,
    Age int
)

CREATE TABLE exhibition (
    Exhibition_ID int,
    Year int,
    Theme text,
    Artist_ID int,
    Ticket_Price real
) ### Response: SELECT Country, AVG(Age) FROM artist GROUP BY Country ORDER BY Country