Where is 'Living Single' set?

Where is 'The Nanny' set? Who created 'The Nanny'? On which network did 'Living Single' originally air? In what year did 'Living Single' premiere? Who created 'Living Single'? On which network did 'Beavis and Butt-Head' originally air? In what year did 'Beavis and Butt-Head' premiere? Where is 'Beavis and Butt-Head' set?