Show the start dates and end dates of all the apartment bookings made by guests with gender code "Female".
SELECT T1.booking_start_date ,  T1.booking_start_date FROM Apartment_Bookings AS T1 JOIN Guests AS T2 ON T1.guest_id  =  T2.guest_id WHERE T2.gender_code  =  "Female"
start dates and end dates of all the apartment bookings refers to booking_start_date and booking_end_date; bookings made by guests with gender code 'Female' involves a JOIN between Apartment_Bookings and Guests where gender_code = 'Female';