Question: who won the us open golf last year
Answer: 2011 Northern Ireland Rory McIlroy Congressional Country Club Bethesda , Maryland 268 − 16 2012 United States Webb Simpson Olympic Club San Francisco , California 281 + 1 2013 England Justin Rose Merion Golf Club Ardmore , Pennsylvania 281 + 1 2014 Germany Martin Kaymer Pinehurst Resort Pinehurst , North Carolina 271 − 9 2015 United States Jordan Spieth Chambers Bay University Place , Washington 275 − 5 2016 United States Dustin Johnson Oakmont Country Club Oakmont , Pennsylvania 276 − 4 2017 United States Brooks Koepka Erin Hills Erin , Wisconsin 272 − 16 2018 United States Brooks Koepka Shinnecock Hills Shinnecock Hills , New York 281 + 1