user: Question: What is the sum of the number of cities (kota) with an area less than 47799 km², the capital yogyakarta, and a 2010 density greater than 1138?
Columns: ['Province', 'Capital', 'Population at 2010 Census', 'Area (km²)', 'Density (2010)', 'Geographical unit', 'Number of Cities (kota)', 'Number of Regencies (kabupaten)', 'Number of Districts (kecamatan)', 'Villages']
Types: ['text', 'text', 'real', 'real', 'real', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Special Region of Aceh', 'Banda Aceh', 4494410.0, 57956.0, 77.0, 'Sumatra', 5.0, 18.0, 275.0, 6420.0]
SQL:

assistant: SELECT SUM("Number of Cities (kota)") FROM "Table" WHERE "Area (km²)" < 47799.0 AND "Capital" = 'yogyakarta' AND "Density (2010)" > 1138.0;