Regional World Assembly Delegate.

        Returns
        -------
        an :class:`ApiQuery` of :class:`Nation`
        an :class:`ApiQuery` of None
            If the region has no delegate.

async def delegate(self, root):
        """Regional World Assembly Delegate.

        Returns
        -------
        an :class:`ApiQuery` of :class:`Nation`
        an :class:`ApiQuery` of None
            If the region has no delegate.
        """
        nation = root.find('DELEGATE').text
        if nation == '0':
            return None
        return aionationstates.Nation(nation)