The Question and Answer section for Lord Byron’s Poems is a great resource to ask questions, find answers, and discuss the novel.
The answer to your question is three.Three were in a dungeon cast, Of whom this wreck is left the last.
I'm sorry, additional information is required in order to answer your question. "Which statement" generally means you've been provided with choices, please provide the choices you've been given.
Can you elaborate on what you mean by "picaro"?