Question: Lada Negrul, is a Russian actress and poet, and is the author and producer of documentaries about which highly popular Russian actor who starred in fifty seven films including several TV serials, such as "Spetsnaz" (2002)?
Sentence (from "Lada Negrul"): She is author and producer of documentaries about Irina Skobtseva, Sergei Bondarchuk, and Vladislav Galkin.
Relevant evidence: Yes