<prompt> Ngwala tšwetšopele ya serapa se - Robinson gape o thopile dimetale Dipapading tša Pan American tša 2019  <response>: O thopile sefoka sa bronze go dimetara tše 400 le sefoka sa silibera go 4 × 400 meters relay, gammogo le sefoka sa silibera go 2018 World Under-20 Championships go 4 × 400 meters relay. 