Where is 'Murder, She Wrote' set?

In what year did 'The Cosby Show' premiere? Where is 'The Cosby Show' set? On which network did 'Murder, She Wrote' originally air? In what year did 'Murder, She Wrote' premiere? On which network did 'Night Court' originally air? In what year did 'Night Court' premiere? Where is 'Night Court' set? Who created 'Night Court'?