<prompt> Pedzisa mutsara unotevera: Anthonny Sitraka Ralefy akaberekwa musi wa10 Chikunguru 1995 mutambi wekushambira wekuMadagascar. Akakwikwidza kumaOlympics eZhizha ra2016 mu  <response>: 100 metres butterfly yevarume; nguva yake yemasekonzi 54.72 mukudziya haina kumukodzera kuma semifainari. 