<prompt> Tlatša polelo ye e latelago: Mariama Souley Bana yo a belegwego ka la 21 Pherekgong 1987 ke mosetsana wa go rutha wa mo-Nigeria. Bana o ile a phenkgišana bakeng sa Niger ka 2008 Summer Olympics ka go rutha. O feditše a le maemong a seswai le a mafelelo ka go ya bobedi ka  <response>: Kgaisano ya basadi ya go kitima ka go itlhama ya dimithara tše 50 ka go itlhama. 