WASHINGTON: There are plenty of reasons why this particular victory by Venus Williams in this particular tennis match — just one of hundreds — resonated with so many folks. That she’s 45, for one thing. Only one woman, Martina Navratilova, ever has won a tour-level singles match while older; her last victory came at 47 in 2004. That Williams hadn’t entered a tournament anywhere in 16 months. That she needed surgery for uterine fibroids. And when asked Tuesday night after beating her 23-year-old opponent, Peyton Stearns, 6-3, 6-4 at the DC Open what message others might take away from that performance and that result, Williams was quick to provide an answer. “There are no limits for excellence.