สำหรับวันที่ที่มีจุดน้ำค้างขั้นต่ำน้อยกว่าวันใดๆ ในรหัสไปรษณีย์ 94107 ให้แสดงจำนวนวันดังกล่าวทั้งหมดในแต่ละวันทำงานโดยใช้แผนภูมิแท่ง ไม่จำเป็นต้องใช้ตารางทั้งหมด
For dates had a minimum dew point smaller than any day in zip code 94107, show the total number of such days for each weekday using a bar chart.It is not neccessary to use all the tables.
 weather:  date [ TEXT]  max_temperature_f [ INTEGER]  mean_temperature_f [ INTEGER]  min_temperature_f [ INTEGER]  max_dew_point_f [ INTEGER]  mean_dew_point_f [ INTEGER]  min_dew_point_f [ INTEGER]  max_humidity [ INTEGER]  mean_humidity [ INTEGER]  min_humidity [ INTEGER]  max_sea_level_pressure_inches [ NUMERIC]  mean_sea_level_pressure_inches [ NUMERIC]  min_sea_level_pressure_inches [ NUMERIC]  max_visibility_miles [ INTEGER]  mean_visibility_miles [ INTEGER]  min_visibility_miles [ INTEGER]  max_wind_Speed_mph [ INTEGER]  mean_wind_speed_mph [ INTEGER]  max_gust_speed_mph [ INTEGER]  precipitation_inches [ INTEGER]  cloud_cover [ INTEGER]  events [ TEXT]  wind_dir_degrees [ INTEGER]  zip_code [ INTEGER] 
SELECT date, COUNT(date) FROM weather WHERE min_dew_point_f < (SELECT MIN(min_dew_point_f) FROM weather WHERE zip_code = 94107)