<prompt> Pedzisa mutsara unotevera: Pedro Yoma April 28, 1927 August 21, 2009 akanga ari mutambi weChilean. Akakwikwidza mumakwikwi eVarume e400m Hurdles mu1952 Summer Olympics. Akakundawo menduru yebronze mu  <response>: 1952 South American Championships muAthletics muchiitiko chimwe chete. 