<Table> <Tr> <Th_colspan="2"> 2018 Miami Open </Th> </Tr> <Tr> <Th> Date </Th> <Td> March 19--April 1 </Td> </Tr> <Tr> <Th> Edition </Th> <Td> 34th </Td> </Tr> <Tr> <Th> </Th> <Td> Masters 1000 (ATP) Premier Mandatory (WTA) </Td> </Tr> <Tr> <Th> Draw </Th> <Td> 96S / 48Q / 32D </Td> </Tr> <Tr> <Th> Prize money </Th> <Td> $7,972,535 (ATP) $7,972,535 (WTA) </Td> </Tr> <Tr> <Th> Surface </Th> <Td> Hard (Outdoor) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Key Biscayne, Florida, United States </Td> </Tr> <Tr> <Th> Venue </Th> <Td> Tennis Center at Crandon Park </Td> </Tr> <Tr> <Th_colspan="2"> Champions </Th> </Tr> <Tr> <Th_colspan="2"> Men's Singles </Th> </Tr> <Tr> <Td_colspan="2"> John Isner </Td> </Tr> <Tr> <Th_colspan="2"> Women's Singles </Th> </Tr> <Tr> <Td_colspan="2"> Sloane Stephens </Td> </Tr> <Tr> <Th_colspan="2"> Men's Doubles </Th> </Tr> <Tr> <Td_colspan="2"> Bob Bryan / Mike Bryan </Td> </Tr> <Tr> <Th_colspan="2"> Women's Doubles </Th> </Tr> <Tr> <Td_colspan="2"> Ashleigh Barty / CoCo Vandeweghe </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2017 </Td> <Td> Miami Open </Td> <Td> 2019 → </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 2018 Miami Open </Th> </Tr>

What is the prize money at the miami open
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