ARCADIA, Calif. - Acting Lady, who lost her first four starts in stakes, won the $150,000 Providencia Stakes in an upset on Saturday.\nRidden by Victor Espinoza, Acting Lady ($43.60) outdueled Italian stakes winner Mrs Kipling in the final sixteenth to win the one-mile turf race by a half-length. Pasar Silbano, the early pacesetter, held third in a field of 11 3-year-old fillies. Rosy Mantle, the 2-1 favorite, finished fifth, 3 1/4 lengths behind Acting Lady.\nActing Lady was fourth for the first half of the race, stalking Pasar Silbano who set early fractions of 22.69 and 46.19 seconds. Acting Lady was within a half-length of Pasar Silbano at the eighth pole and held off Mrs Kipling late.\nOwned by a partnership and trained by Doug O'Neill, Acting Lady has won 2 of 7 starts and $114,320. A Kentucky-bred who began her career in England last summer, Acting Lady won her California debut in a one-mile turf race at Hollywood Park last November.\nShe then finished third in the Blue Norther Stakes, fifth in both the Grade 3 Santa Ysabel and La Habra Stakes and second in the China Doll Stakes here on March 8.\nO'Neill said she will be pointed for stakes at the Hollywood Park spring-summer meeting.\nSoul City Slew a claimer no more\nThree races after he was claimed for $50,000, the 6-year-old gelding Soul City Slew won the first stakes of his career in the $150,000 Potrero Grande Handicap at Santa.\nThe victory came just 13 days after Soul City Slew won a $50,000 claimer for La Canada Stables and trainer Jack Carava. They claimed him for $50,000 on Feb. 6, the day he finished third.\nIn the Grade 2 Potrero Grande, Soul City Slew rallied on the rail in the final sixteenth under jockey Michael Baze to win by a half-length. Halo Najib, the 3-2 favorite, finished second, a head in front of Paul's Hope.\nSea of Pleasure set a quick early pace of 21.50 and 43.96 seconds but faded to finish last after yielding the lead to Halo Najib on the turn. Soul City Slew was still sixth with a quarter-mile remaining but had moved to third, within two lengths of the lead, with a furlong remaining.\nSoul City Slew paid $25 and ran 6 1/2 furlongs in 1:14.79. He has won 9 of 36 starts and $450,002. Prior to Saturday's race, his best result in a stakes were third-place finishes in the Grade 2 Pat O'Brien Handicap in 2007 and the Grade 2 San Carlos Handicap in 2008.