Qui est le meilleur? in French means "Who is the best?" in English.
Qui, vous? in French means "Who, you?" in English.
Qui, moi? in French means "Who, me?" in English.
Qui conduit? in French means "Who is driving?" in English.
Qui est...? in French is "Who is...?" in English.
Qui es-tu? in French means "Who are you?" in English.
Je suis qui? in French means "Who am I?" in English.
Qui ça? in French means "Who that?" literally and "Who are you talking about?" loosely in English.
Qui peut dire? in French means "Who can tell?" in English.
Qui est le plus compétant ?
Qui je suis, moi? in French means "Who am I?" in English.
Qui est de Paris? in French is "Who is from Paris?" in English.
C'est qui ton père? in French is "Who is your father?" in English.