Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : Air Greenland A/S is the flag carrier airline of Greenland, a subsidiary of the SAS Group, owned by the SAS Group, The Greenlandic Government and The Danish Government. 
Question : Which company is the parent company of Air Greenland?
[EX A]: SAS Group

[EX Q]: Context : Broadcast Markup Language, or BML, is an XML-based standard developed by Japan's Association of Radio Industries and Businesses as a data broadcasting specification for digital television broadcasting. 
Question : Which is the basis of Broadcast Markup Language?
[EX A]: XML

[EX Q]: Context : The 2009 IAAF World Half Marathon Championships was held in Birmingham, United Kingdom on 11 October 2009. 
Question : What is the date when 2009 IAAF World Half Marathon Championships happened?
[EX A]:
11 October 2009