-- write a SQL query to find Ken Griffey Jr.’s home run history.
--     Sort by year in descending order.
--     Note that there may be two players with the name “Ken Griffey.” This Ken Griffey was born in 1969.
--     Your query should return a table with two columns, one for year and one for home runs.
SELECT perf."year", perf."hr"
FROM "performances" AS perf
JOIN "players" AS p
    ON perf."player_id" = p."id"
WHERE
    p."first_name" = "Ken"
    AND
    p."last_name" LIKE "Griffey%"
    AND
    p."birth_year" = "1969"
ORDER BY "year" DESC;