Where is 'The Bob Newhart Show' set?

In what year did 'Sanford and Son' premiere? Where is 'Sanford and Son' set? On which network did 'The Bob Newhart Show' originally air? In what year did 'The Bob Newhart Show' premiere? Who created 'The Bob Newhart Show'? On which network did 'Happy Days' originally air? In what year did 'Happy Days' premiere? On which network did 'Little House on the Prairie' originally air?