<Tr> <Th_colspan="2"> George O'Malley </Th> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy character </Td> </Tr> <Tr> <Td_colspan="2"> The Season 4 promotional photo of T.R. Knight as Dr. George O'Malley </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> "A Hard Day's Night" (1.01) March 27, 2005 </Td> </Tr>

Who dies after george on grey's anatomy