In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
--------
Question: Who ordered the translation of the old testament into greek?

Answer: Ptolemy II Philadelphus


Question: Who was the pale rider supposed to be?

Answer: Thanatos


Question: How many roller coasters are there at busch gardens williamsburg?

Answer:
9