<Table> <Tr> <Th> Subcommittee </Th> <Th> Chair </Th> <Th> Ranking Member </Th> </Tr> <Tr> <Td> Health </Td> <Td> Pat Tiberi ( R - OH ) </Td> <Td> Sander Levin ( D - MI ) </Td> </Tr> <Tr> <Td> Human Resources </Td> <Td> Adrian Smith ( R - NE ) </Td> <Td> Danny K. Davis ( D - IL ) </Td> </Tr> <Tr> <Td> Oversight </Td> <Td> Vern Buchanan ( R - FL ) </Td> <Td> John Lewis ( D - GA ) </Td> </Tr> <Tr> <Td> Tax Policy </Td> <Td> Peter Roskam ( R - IL ) </Td> <Td> Lloyd Doggett ( D - TX ) </Td> </Tr> <Tr> <Td> Social Security </Td> <Td> Sam Johnson ( R - TX ) </Td> <Td> John B. Larson ( D - CT ) </Td> </Tr> <Tr> <Td> Trade </Td> <Td> Dave Reichert ( R - WA ) </Td> <Td> Bill Pascrell ( D - NJ ) </Td> </Tr> </Table>
what are the six subcommittees of the house ways and means committee
Health Human Resources Oversight Tax Policy Social Security Trade