Question: How many films did the studio Iosif Boyarsky produce in 2017?
Sentence (from "Iosif Boyarsky"): Iosif Yakovlevich Boyarsky (November 7, 1917 – March 12, 2008) was a Russian animator and director, the longtime Director of the Model Animation Association of Soyuzmultfilm Studio, an award-winning Russian animation studio based in Moscow.
Relevant evidence: Yes