Who was the oldest golfer to win the U.S. Open?
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The U.S. Open is a recurring event.
The U.S. Open is a recurring event .
Who was the oldest golfer to win the U.S. Open?</s>The U.S. Open is a [unused1]recurring event                [unused2] .
Who was the oldest golfer to win the U.S. Open?</s>The U.S. Open is a recurring event.
Who was the oldest golfer to win the U.S. Open?</s>The U.S. Open is a [unused1]recurring event                [unused2] .
Who was the oldest golfer to win the U.S. Open?</s>The U.S. Open is a recurring event .
Who was the oldest golfer to win the U.S. Open?</s>[unused1]recurring event[unused2],0,[unused1]recurring event[unused2],[unused1]recurring event[unused2],0,U.S. Open,U.S. Open,instance of,[unused1]recurring event[unused2],U.S. Open,0,U.S. Open
Who was the oldest golfer to win the U.S. Open?</s>recurring event,0,recurring event,recurring event,0,U.S. Open,U.S. Open,instance of,recurring event,U.S. Open,0,U.S. Open