How many press conferences does Daniel Keane give in the musical "Fermat's Last Tango"?

In the musical "Fermat's Last Tango" the protagonist give three press conferences - in the first press conference, Daniel announces he has found proof of Fermat's Last Theorem; in the second press conference reporters question him about a flaw in the proof and in the third press conference, where he announces the conclusive proof of the theorem.