instruction:
An answer is given. Generate a question for which the given answer is either a direct or partial answer.
question:
Answer: samuel loomis
answer:
who is dr loomis?

question:
Answer: bolivia%e2%80%93brazil border
answer:
what lies between bolivia and brazil?

question:
Answer: mexican%e2%80%93american war
answer:
what was robert e lee's first battle?