Table:
text: United States Senior Open
Winners
Winners
Year_ Champion Country Venue Location_ Score Winner_s_share_
2006 Allen Doyle (2) United States Prairie Dunes Golf Club Hutchinson, Kansas 272 (−8) 470000
2005 Allen Doyle United States NCR Country Club , South Course Kettering, Ohio 274 (−10) 470000
2004 Peter Jacobsen United States Bellerive Country Club St. Louis, Missouri 272 (−12) 470000
2003 Bruce Lietzke United States Inverness Club Toledo, Ohio 207 (−6) 470000
2002 Don Pooley United States Caves Valley Golf Club Owings Mills, Maryland 274 (−10) 450000
2001 Bruce Fleisher United States Salem Country Club Peabody, Massachusetts 280 (E) 430000
2000 Hale Irwin (2) United States Saucon Valley Country Club , Old Course Bethlehem, Pennsylvania 267 (−17) 400000

Question: What was the United States Senior Open winning result in 2000?