<Tr> <Td> Oregon Supreme Court </Td> <Td> Non-partisan election </Td> <Td> 6 </Td> <Td> 7 </Td> </Tr> <Tr> <Td> Supreme Court of Pennsylvania </Td> <Td> Partisan election </Td> <Td> 10 years, until 75 </Td> <Td> 7 </Td> </Tr> <Tr> <Td> Rhode Island Supreme Court </Td> <Td> Appointment by the Governor with agreement of Rhode Island General Assembly (both houses) </Td> <Td> Life </Td> <Td> 5 </Td> </Tr> <Tr> <Td> South Carolina Supreme Court </Td> <Td> Elected by South Carolina General Assembly </Td> <Td> 10 </Td> <Td> 5 </Td> </Tr>

How many states have an appellate court below the state supreme court