You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: ARTISTS
Clue: As of Oct. 1999, of the 10 most expensive paintings sold at public auction, these 2 artists had 4 each on the list
pablo picasso & vincent van gogh

Category: 2011 EVENTS
Clue: To mark an historic visit, on May 17 an Irish army band played this song followed by Ireland's anthem
"god save the queen"

Category: THE MOVIES
Clue: Lt. Col. A.P. Clark played a key role in the elaborate breakout from Stalag Luft III that inspired this 1963 movie
the great escape