Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Because the fourth movement is a variation on one of the composer's earlier works concerning a particular creature, by what name is Franz Schubert's 'Piano Quintet in A major' better known?
trout quintet

In which play does the character Jimmy Porter appear?
look back in anger

Vladimir and Estragon are characters from which Samuel Beckett play?

waiting for godot