Table:
text: Andrei Tarkovsky filmography
Other film projects
Other film projects
Year_ English_title Original_title Country Length_ Participation_as
1956 The Killers Убийцы Soviet Union 19 min. Actor
1964 I Am Twenty Мне двадцать лет Soviet Union 189 min. Actor
1968 Sergey Lazo Сергей Лазо Soviet Union 89 min. Actor, film editor
1968 One chance in one thousand Один шанс из тысячи Soviet Union 81 min. Artistic director
1974 Sour Grape Терпкий виноград Soviet Union 76 min. Artistic advisor

Question: What filmography of Andrei Tarkovsky's other film projects, where the participation as an actor, film editor, what is the average year?