<Table> <Tr> <Th_colspan="2"> Gurren Lagann </Th> </Tr> <Tr> <Th> Country of origin </Th> <Td> Japan </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 27 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> TXN (TV Tokyo), BS Japan, AT - X) </Td> </Tr> <Tr> <Th> Original release </Th> <Td> April 1--September 30, 2007 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Gurren Lagann </Th> </Tr>

How many episodes of gurren lagann are there