Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: How many episodes of Star Trek did the character Chakotay appear in? Passage:Chakotay is a fictional character who appears in each of the seven seasons of the American science fiction television series . Portrayed by Robert Beltran, he is First Officer aboard the Starfleet starship USS Voyager. The character was suggested at an early stage of the development of the series. He is the first Native American main character in the Star Trek franchise. This was a deliberate move by the producers of the series, who sought to provide an inspiration as with Uhura in  for African Americans. To develop the character, the producers sought the assistance of Jamake Highwater. Despite first being named as a Sioux, and later a Hopi, Chakotay was given no tribal affiliation at the start of the series, something that was later resolved in the episode "".


a