Авиабилеты в Vava'u

Query

select o.name_ru, o.iata
			  from as_objs o
				 where o.cntr = 'TO'
				   AND o.parent_name_en = 'Vava'u'
				   AND o.tp = 'airport'

failed: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'u' AND o.tp = 'airport'' at line 4