On Friday night at the Staples Center in Los Angeles , he won the freestyle motocross best trick event with a double backflip , the first time the move has been executed in a competition .
Los Angeles /location/location/contains Staples Center
IN NNP NN IN DT NNP NNP IN NNP NNP , PRP VBD DT JJ NN JJS NN NN IN DT JJ NN , DT JJ NN DT NN VBZ VBN VBN IN DT NN .
Los Angeles
LOCATION
Staples Center
ORGANIZATION
/location/location/contains