Write SQL query to solve given problem: Among the cities with area code 608, how many cities implement daylight savings?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.city) FROM area_code AS T1 INNER JOIN zip_data AS T2 ON T1.zip_code = T2.zip_code WHERE T1.area_code = 608 AND T2.daylight_savings = 'Yes'