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\*.
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Question: who wrote his eye is on the sparrow song

Answer: Civilla D. Martin


Question: what is the primary type of mining that takes place under the bolivian mountain

Answer: silver


Question: by tradition which state’s caucus is the first presidential contest held every four years

Answer:
Iowa