with RankedCities as (
    select
        city,
        length(city) as name_length,
        Row_number() over (order by length(city) asc, city asc) as shortest_length,
        Row_number() over (order by length(city) desc, city desc) as longest_length
    from
    station
)
select city,name_length
from RankedCities 
where shortest_length = 1 OR longest_length = 1