original question: Which tournament event competition has [2011 U.S. Men's Clay Court Championships] tournament?
answer: 2011 u.s. men's clay court championships ‚äì doubles, 2011 u.s. men's clay court championships ‚äì singles
answer type: Tournament event competition.
auxiliary information: The 2011 U.S. Men's Clay Court Championships was a tennis tournament played on outdoor clay courts. It was the 43rd edition of the U.S. Men's Clay Court Championships, and was an ATP World Tour 250 event. It took place at River Oaks Country Club in Houston, Texas, United States, from April 4 through April 10, 2011.
Name the tournament event competition that has [2011 U.S. Men's Clay Court Championships]  in its tournament.