<Tr> <Th> Country </Th> <Td> England Wales </Td> </Tr> <Tr> <Th> Dates </Th> <Td> 5 August--14 October 2017 (qualifying competition) 4 November 2017--19 May 2018 (main competition) </Td> </Tr> <Tr> <Th> Teams </Th> <Td> 737 (overall) 645 (qualifying competition) 124 (main competition) </Td> </Tr> <Tr> <Th> Defending champions </Th> <Td> Arsenal </Td> </Tr>

When is the 2nd round of the fa cup played