Detailed Instructions: 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: The foot were now besieged in Devizes but witnessed the destruction of Waller's forces at Roundway Down Link Information: attack. The Roundheads then tried to retreat northwards, but failed and the survivors threw down their arms. About 600 Parliamentarian troops were killed and some 1,000 were captured. Answer: 600
A:
How many people died at the Battle of Roundway Down?