Please answer the following question: Great Mazinger vs. Getter Robo - Great Mazinger vs. Getter Robo ( Gureto Majinga tai Getta Robo) is an animated film produced by Toei based in the works of Go Nagai and Ken Ishikawa. The film premiered originally in March 21 1975 (1975-03-21) in Japan. It is a crossover between the super robot anime Great Mazinger and Getter Robo similar to the previous crossover film Mazinger Z vs. Devilman. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Film