In what year did 'Saved by the Bell' premiere?

In what year did 'Seinfeld' premiere? Who created 'Seinfeld'? Where is 'The Simpsons' set? On which network did 'Saved by the Bell' originally air? On which network did 'Family Matters' originally air? In what year did 'Family Matters' premiere? Where is 'Family Matters' set? Who created 'Family Matters'?