<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Muna 1937, mbongoro yake Mars Shield yakakunda Kentucky Oaks.  <response>: Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi Muna 1937, mbongoro yake Mars Shield yakakunda Kentucky Oaks ipapo pana May 4, 1940 Ethel Mars akava nokubudirira kwake kukuru mumakwikwi nemhuru yake Gallahadion. 