Table:
0
A
B
C
D
E
F
1
Year
English title
Original title
Country
Length
Participation as
2
1956
The Killers
Убийцы
Soviet Union
19 min.
Actor
3
1964
I Am Twenty
Мне двадцать лет
Soviet Union
189 min.
Actor
4
1968
Sergey Lazo
Сергей Лазо
Soviet Union
89 min.
Actor, film editor
5
1968
One chance in one thousand
Один шанс из тысячи
Soviet Union
81 min.
Artistic director
6
1974
Sour Grape
Терпкий виноград
Soviet Union
76 min.
Artistic advisor

Questions and formulas:
Question: Participation as of actor, film editor has what average year?
Formula: AVERAGEIFS(A1,F1,"actor, film editor")
Formula2: AVERAGEIFS(A2:A6,F2:F6,"actor, film editor")
Level: easy