TASK DEFINITION: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
PROBLEM: Who presides over any impeachment trial of the president of the united states?

SOLUTION: Chief Justice of the United States

PROBLEM: Who was the prime minister of assam when the burmese army came with badanchandra?

SOLUTION: Badan Chandra Borphukan

PROBLEM: Who plays chewbacca in star wars the last jedi?

SOLUTION:
Joonas Suotamo