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Did Martin Kaymer win an event in 2014?
In May 2014, Martin Kaymer earned a wire-to-wire win at The Players Championship in Ponte Vedra Beach, Florida
What was Martin Kaymer's score at The Players Championship in 2014?
Martin Kaymer won The Players Championship in 2014 finishing −13.
Has Martin Kaymer won a US Open?
Martin Kaymer finished at 271, eight strokes ahead of runners-up Rickie Fowler and Erik Compton.
What's Martin Kaymer's nationality?
Martin Kaymer is a German professional golfer
Are there any other interesting aspects about Martin Kaymer  win at the US Open?
With Martin Kaymer's U.S. Open victory in 2014, Martin became the first non-British European golfer ever to win the U.S. Open

Question: What was his score for this event?
Self-contained rewrite: What was Martin Kaymer's score for The 2014 US Open?