In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
Q: Context: He also presided over the less successful committee when Bolivia and Paraguay went to war over the Gran Chaco. Link Information: The Chaco War (19321935; , ) was fought between Bolivia and Paraguay over control of the northern part of the Gran Chaco region (known in Spanish as Chaco Boreal) of South America, which was thought to be rich in oil. Answer: 1932
A:
What year did Bolivia and Paraguay go to war over the Gran Chaco?