Question: Rocky IV is an American sports drama film, released in which year, the film co-stars Brigitte Nielsen,a Danish-Italian actress, model, singer and reality television personality who began her career modelling for Greg Gorman and Helmut Newton and several years later acted in the 1985 films "Red Sonja" and "Rocky IV?
Sentence (from "Brigitte Nielsen"): She is also known for her marriage to Sylvester Stallone, with whom she starred in the 1986 film "Cobra".
Relevant evidence: No