Title: Asthma.
Question: What helps support the evidence of asthma?

Title: Classical music.
Question: Why was the commercialization of classical music harmful to the music industry according the Shawn Vancour? 

Title: Portugal.
Question: On what date did the Battle of Ourique take place?

Title: Order of the British Empire.
Question:
What are the Members of classes of the Order assigned to?