Task: Text Simplification
Input (English): summerslam -lrb- 2009 -rrb- is an upcoming professional wrestling pay-per-view event produced by world wrestling entertainment -lrb- wwe -rrb- , which will take place on august 23 , 2009 at staples center in los angeles , california.
Output (English): summerslam is an upcoming professional wrestling pay-per-view produced by world wrestling entertainment which will take place on august 23 2009 at the staples center.