Title: Bird migration.
Question: What exists in nearly all avian lineages?

Title: New York City.
Question: How many people moved to New York City between April 2010 and July 2014?

Title: Infrared.
Question: What discipline uses infrared telescopes to see through molecular clouds?

Title: Everton F.C..
Question:
In what year did Everton take 7,000 travelling fans with them to an away game?