Oregon's capital (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">oregon's capital</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for salem that I've seen before include "Witch trial town" , "OT Hebrew capital" , "US town famous for its witch trials" , "Western state's capital" , "US city" .)