Elena Eskina
Subsequently she has umpired in many important international tournaments including Euro Championships , World Cups , Commonwealth Games , Champions Trophy and also she was a part of the lists of umpires at 2012 and 2016 Summer Olympics . 
<triplet> 2016 <subj> Summer Olympics <obj> instance of <triplet> Summer Olympics <subj> 2012 <obj> has part <subj> 2016 <obj> has part