Question: Are Domingos Fernandes Calabar and Brimin Kipruto of the same nationality?
Sentence (from "Brimin Kipruto"): His personal best is only 0.01 of a second behind the world record of former county mate Saif Saaeed Shaheen, who switched national affiliation to Qatar after growing up as Stephen Cherono in the Keiyo District.
Relevant evidence: No