Table:
text: Women's Western Open
Stroke play era
Stroke play era
Year_ Winner Score Runners_up Winner_s_share_ Course Location_
1960 Joyce Ziske 301 (+9) PO Barbara Romack 1313 Beverly CC Chicago, Illinois
1959 Betsy Rawls 293 (+5) JoAnne Gunderson (a), Patty Berg 1313 Ranier G&CC Seattle, Washington
1958 Patty Berg 293 (+1) Beverly Hanson 950 Kahkwa CC Erie, Pennsylvania
1957 Patty Berg 291 (–1) Wiffi Smith 1000 Montgomery CC Montgomery, Alabama
1956 Beverly Hanson 304 (E) Louise Suggs 1000 Wakonda CC Des Moines, Iowa
1955 Patty Berg 292 (E) Fay Crocker , Louise Suggs 1000 Maple Bluff CC Madison, Wisconsin

Question: What was the highest percentage for stroke play era winners at the 1959 Western Women's Open?