<Ul> <Li> A dark grey cell indicates the information is not available for the film . </Li> </Ul> <Li> A dark grey cell indicates the information is not available for the film . </Li> <Table> <Tr> <Th> Film </Th> <Th> Rotten Tomatoes </Th> <Th> Metacritic </Th> <Th> CinemaScore </Th> </Tr> <Tr> <Td> Dumb and Dumber </Td> <Td> 66% (50 reviews) </Td> <Td> 41 (14 reviews) </Td> <Td> </Td> </Tr> <Tr> <Td> Dumb and Dumberer: When Harry Met Lloyd </Td> <Td> 10% (119 reviews) </Td> <Td> 19 (28 reviews) </Td> <Td> </Td> </Tr> <Tr> <Td> Dumb and Dumber To </Td> <Td> 29% (139 reviews) </Td> <Td> 36 (36 reviews) </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Film </Th> <Th> Rotten Tomatoes </Th> <Th> Metacritic </Th> <Th> CinemaScore </Th> </Tr>

How many dumb and dumber movies is there
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