In what year did 'The Walking Dead' premiere?

On which network did 'Shark Tank' originally air? In what year did 'Shark Tank' premiere? On which network did 'RuPaul's Drag Race' originally air? In what year did 'RuPaul's Drag Race' premiere? Who created 'The Walking Dead'? On which network did 'Boardwalk Empire' originally air? In what year did 'Boardwalk Empire' premiere? Where is 'Boardwalk Empire' set?