no
quien ensen~a la clase = who teaches/is teaching the class
and who sponsors her
who is the professor
Quien (who) es la (is the, on the feminine side) especial (special) probably means: Who is the special young lady?
quien inventó la catapulta
Who's writing the letter.
"Quien es la maestra" is Spanish for "who is the teacher." It is a question asking about the identity of a female teacher.
Whose is the photo? Who is the girl from the photo?
'Quien imparte la materia' would literally translate to mean 'who teaches the subject'.
It means, "For whom is the party?"
"who's the letter from?"
Quien prepara la comida means Who is preparing the food? Quien should have an accent on the e.