select c_city, s_city, d_year, sum(lo_revenue) as revenue
from customer, lineorder, supplier, ddate
where lo_custkey = c_custkey
and lo_suppkey = s_suppkey
and lo_orderdate = d_datekey
and (c_city='UNITED KI1'
or c_city='UNITED KI5')
and (s_city='UNITED KI1'
or s_city='UNITED KI5')
and d_year >= 1992 and d_year <= 1997
group by c_city, s_city, d_year
order by d_year asc, revenue desc