Qatar's capital (4)
I believe the answer is:
doha
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">qatar's capital</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 doha that I've seen before include "Trade round" , "Gulf resort" , "Capital of Qatar" .)