<prompt> Shields akakwanisa kuenda kumitambo yeOlympic yezhizha ya2020 muTokyo, kuJapan, munhangemutange yekumhanya ine mapapiro yemamita 100  <response>: uye 4x100-metre medley relay. Yakanga iri yechipiri yakateedzana Mitambo yeOlympic Shields yakakodzera kukwikwidza. 