<prompt> Anthonny Sitraka Ralefy akaberekwa musi wa10 Chikunguru 1995 mutambi wekushambira wekuMadagascar. Akakwikwidza kumaOlympics eZhizha ra2016 mumakwikwi evarume e100 metres butterfly  <response>: chiitiko; nguva yake yemasekonzi 54.72 mukudziya haina kumukodzera kuma semifainari. 