Peru national under-20 football team
Teams managed by Juan Carlos Oblitas in 1999 , by Daniel Ahmed in 2013 , and by Víctor Rivera in 2015 have been the most successful teams until 2015 . 
<triplet> 1999 <subj> 1999 <obj> point in time <triplet> 2015 <subj> 2015 <obj> point in time