Question: Franco Alfano,  was an Italian composer and pianist, best known for having completed which of Giacomo Puccini's opera in three acts?
Sentence (from "Turandot"): Turandot ( ; ] ; ) is an opera in three acts by Giacomo Puccini, completed by Franco Alfano, and set to a libretto in Italian by Giuseppe Adami and Renato Simoni.
Relevant evidence: Yes