<Table> Six Flags Great Adventure <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Location </Th> <Td> Jackson, New Jersey, United States </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 40 ° 8 ′ 15.71" N 74 ° 26 ′ 25.65" W ﻿ / ﻿ 40.1376972 ° N 74.4404583 ° W ﻿ / 40.1376972; - 74.4404583 Coordinates: 40 ° 8 ′ 15.71" N 74 ° 26 ′ 25.65" W ﻿ / ﻿ 40.1376972 ° N 74.4404583 ° W ﻿ / 40.1376972; - 74.4404583 </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Six Flags </Td> </Tr> <Tr> <Th> Opened </Th> <Td> July 1, 1974 (July 1, 1974) </Td> </Tr> <Tr> <Th> Previous names </Th> <Td> Great Adventure </Td> </Tr> <Tr> <Th> Operating season </Th> <Td> April--Early January </Td> </Tr> <Tr> <Th> Visitors per annum </Th> <Td> 3,220,000 in 2016 </Td> </Tr> <Tr> <Th_colspan="2"> Rides </Th> </Tr> <Tr> <Th> Total </Th> <Td> 50 </Td> </Tr> <Tr> <Th> Roller coasters </Th> <Td> 14 </Td> </Tr> <Tr> <Th> Water rides </Th> <Td> </Td> </Tr> <Tr> <Th> Website </Th> <Td> Six Flags Great Adventure </Td> </Tr> </Table> <Tr> <Th> Location </Th> <Td> Jackson, New Jersey, United States </Td> </Tr>

How many roller coasters at six flags new jersey