What is the lowest number of cities (kota) which has less than 65 districts (kecamatan), an area of 16,424 km², and a 2010 census population less than 3,890,757?
SELECT MIN Number of Cities (kota) FROM table WHERE Number of Districts (kecamatan) < 65 AND Population at 2010 Census < 3,890,757 AND Area (km²) = 16,424