The conversation between human and AI assistant.
[|Human|] How many mathematicians does the main protagonist meet in the musical "Fermat's Last Tango"?
[|AI|] The main protagonist meets five mathematicians - Fermat, who appears in Daniel's study, and Euclid, Pythagoras, Newton, and Gauss, who appear in the "Aftermath".
[|Human|] 
How many mathematicians does the main protagonist meet in the musical "Fermat's Last Tango"?