In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[EX Q]: repetitive dna at the end of a eukaryotic chromosome
[EX A]: Telomeres

[EX Q]: who plays jacob black's father in twilight
[EX A]: Gil Birmingham

[EX Q]: who was the president of the united states in 1954
[EX A]:
Dwight D. Eisenhower