<Table> <Tr> <Th_colspan="2"> "Green River" </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Single by Creedence Clearwater Revival </Th> </Tr> <Tr> <Th_colspan="2"> from the album Green River </Th> </Tr> <Tr> <Th> B - side </Th> <Td> "Commotion" </Td> </Tr> <Tr> <Th> Released </Th> <Td> July 1969 (1969 - 07) </Td> </Tr> <Tr> <Th> Format </Th> <Td> 7" 45 RPM </Td> </Tr> <Tr> <Th> Recorded </Th> <Td> Sometime from March to June 1969 at Wally Heider Studios in San Francisco, California </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Roots rock, swamp rock ("Green River") Hard rock ("Commotion") </Td> </Tr> <Tr> <Th> Length </Th> <Td> 2: 36 </Td> </Tr> <Tr> <Th> Label </Th> <Td> Fantasy </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> John Fogerty </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> John Fogerty </Td> </Tr> <Tr> <Th_colspan="2"> Creedence Clearwater Revival singles chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Bad Moon Rising" (1969) </Td> <Td> "Green River" (1969) </Td> <Td> "Down on the Corner" (1969) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Bad Moon Rising" (1969) </Td> <Td> "Green River" (1969) </Td> <Td> "Down on the Corner" (1969) </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "Green River" </Th> </Tr>

What is the song green river by creedence clearwater revival about