<prompt> Pedzisa mutsara unotevera: Houben akanga ari shasha yenyika munhangemutange yemamita 100. Akasvikawo kumaquarterfainari emutambo wemamita mazana maviri uye kuma semifainari emutambo wemamita mazana maviri.  <response>: 4 × 100 m relay pamitambo yeOlympic ya1920. Houben akazochinjira kubobsleigh, kwaakakwikwidza kuma1928-1948 Winter Olympics, achiva muBelgian wekutanga kutora chikamu muOlympics yechando neZhizha. 