Question: Which Opera has more acts Les vêpres siciliennes and La scala di seta ?
Sentence (from "Francesco Dominici (operatic tenor)"): In 1921, he sang the role of doctor Cajus in Verdi's Falstaff at La Scala and in 1922 was Filipeto in the company's first production of Ermanno Wolf-Ferrari's "I quattro rusteghi".
Relevant evidence: No