<Tr> <Th> Club </Th> <Th> Sport </Th> <Th> League </Th> <Th> Venue </Th> </Tr> <Tr> <Td> Philadelphia Phillies </Td> <Td> Baseball </Td> <Td> Major League Baseball </Td> <Td> Citizens Bank Park </Td> </Tr> <Tr> <Td> Pittsburgh Pirates </Td> <Td> Baseball </Td> <Td> Major League Baseball </Td> <Td> PNC Park </Td> </Tr> <Tr> <Td> Philadelphia 76ers </Td> <Td> Basketball </Td> <Td> National Basketball Association </Td> <Td> Wells Fargo Center </Td> </Tr>

How many professional sports teams are in pa