<Dt> Trump vs. Johnson </Dt> <Table> <Tr> <Th> Poll source </Th> <Th> Sample size </Th> <Th> Date (s) </Th> <Th> Margin of error </Th> <Td> Donald Trump </Td> <Td> Dwayne Johnson </Td> <Td> Undecided </Td> </Tr> <Tr> <Td> Public Policy Polling </Td> <Td> 692 </Td> <Td> May 12--14, 2017 </Td> <Td> ± 3.7% </Td> <Td> 37% </Td> <Td> 42% </Td> <Td> 21% </Td> </Tr> </Table> <Tr> <Th> Poll source </Th> <Th> Sample size </Th> <Th> Date (s) </Th> <Th> Margin of error </Th> <Td> Donald Trump </Td> <Td> Dwayne Johnson </Td> <Td> Undecided </Td> </Tr> <Tr> <Td> Public Policy Polling </Td> <Td> 692 </Td> <Td> May 12--14, 2017 </Td> <Td> ± 3.7% </Td> <Td> 37% </Td> <Td> 42% </Td> <Td> 21% </Td> </Tr>

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