CREATE TABLE market (market_id DECIMAL, country TEXT, number_cities DECIMAL)
CREATE TABLE film_market_estimation (estimation_id DECIMAL, low_estimate DECIMAL, high_estimate DECIMAL, film_id DECIMAL, type TEXT, market_id DECIMAL, year DECIMAL)
CREATE TABLE film (film_id DECIMAL, title TEXT, studio TEXT, director TEXT, gross_in_dollar DECIMAL)

What are the years of film market estimation for the market of Japan, ordered by year descending?
SELECT T1.year FROM film_market_estimation AS T1 JOIN market AS T2 ON T1.market_id = T2.market_id WHERE T2.country = "Japan" ORDER BY T1.year DESC
SELECT "T1"."year" FROM "film_market_estimation" AS "T1" JOIN "market" AS "T2" ON "Japan" = "T2"."country" AND "T1"."market_id" = "T2"."market_id" ORDER BY "T1"."year" DESC NULLS LAST