On which network did '30 Rock' originally air?

In what year did 'Hannah Montana' premiere? Where is 'Hannah Montana' set? In what year did 'Dexter' premiere? Who created 'Dexter'? In what year did '30 Rock' premiere? Where is '30 Rock' set? On which network did 'Friday Night Lights' originally air? In what year did 'Friday Night Lights' premiere?