who discovered the theory of mass energy equivalence???

Answer: Einstein

Question: who played karen in married to the mob?

Answer: Nancy Travis

Answer this question: what is the name of hela's wolf??

Fenris Wolf

Q: who sang lord its hard to be humble?A: Morris Mac Davis

Input: what episode does cole come back in charmed?

Output: 150th

Please answer this: who has the most hits in major league baseball history?
Pete Rose