Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Catch the Lightning is a novel by Catherine Asaro in the Saga of the Skolian Empire, also known as Tales of the Ruby Dynasty. 
Answer : Saga of the Skolian Empire
To which series does Catch the Lightning belong?

Context : Gelnhausen railway (Hungen--Gießen) was opened on 29 December 1869 and Hungen station went into operation. 
Answer : 29 December 1869
When was Hungen station opened?

Context : On February 4, 2013, Oracle Corporation announced that it was to acquire Acme Packet for US$2.1 billion. 
Answer : Oracle Corporation

What company is Acme Packet part of?