Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.
--------
Question: concept: Medicare  question:  when does medicare part d start?

Answer: ['Centers for Medicare and Medicaid Services']


Question: concept: Russia  question:  what were the causes of the russian revolution in 1917?

Answer: ['World War I']


Question: concept: Dale Earnhardt  question:  what exactly did dale earnhardt die from?

Answer:
Traffic collision