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with temp_table as (
select city,length(city) as city_len from station )
select city, city_len
FROM temp_table
WHERE
city_len = (SELECT MAX(city_len) FROM temp_table)
OR city_len = (SELECT MIN(city_len) FROM temp_table)
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Weather Observation Station 5
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with temp_table as ( select city,length(city) as city_len from station ) select city, city_len FROM temp_table WHERE city_len = (SELECT MAX(city_len) FROM temp_table) OR city_len = (SELECT MIN(city_len) FROM temp_table)