One of two in "Hamilton"
I believe the answer is:
act
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">one of two in hamilton</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for act that I've seen before include "Major section of a play" , "performing group" , "Aussie parliamentarians exert influence here?" , "Start of a drama" , "Feign" .)