Detailed Instructions: 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.
Q: Context : When Swebus AB was renamed Nobina Sverige AB in December 2009, Swebus Express started trading as just Swebus, and also got a new logo and an all-white livery.
Answer : Nobina
A:
Which company is the parent company of Swebus Express?