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(
select city,length(city) as l
from station
order by l, id
limit 1
)
union
(
select city,length(city) as l
from station
order by l desc, id asc
limit 1
);
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Weather Observation Station 5
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( select city,length(city) as l from station order by l, id limit 1 ) union ( select city,length(city) as l from station order by l desc, id asc limit 1 );