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.

When did the drummer of def leppard lose his arm?
31 December 1984

How many episodes are there in a place to call home?
67

Who qualified in group h 2018 world cup?

Poland, Senegal, Colombia, and Japan