<prompt> Pedzisa mutsara unotevera: Mariama Souley Bana akaberekwa musi wa 21 Ndira 1987 mutambi wechikadzi wekuNigeria. Bana akakwikwidza kuNiger kumaOlympics eZhizha ra2008 mukushambira. Akapedza ari panzvimbo yechisere uye yokupedzisira mukupisa kwechipiri mu  <response>: Vakadzi 50 metres freestyle. 