CREATE TABLE film_market_estimation (Film_ID VARCHAR2, Year VARCHAR2)
CREATE TABLE film (Director VARCHAR2, Film_ID VARCHAR2)

Show the distinct director of films with market estimation in the year of 1995.
SELECT DISTINCT T1.Director FROM film AS T1 JOIN film_market_estimation AS T2 ON T1.Film_ID = T2.Film_ID WHERE T2.Year = 1995
SELECT DISTINCT "T1"."Director" FROM "film" "T1" JOIN "film_market_estimation" "T2" ON "T1"."Film_ID" = "T2"."Film_ID" AND "T2"."Year" = 1995