<Tr> <Th> Massachusetts 1 </Th> <Td> John Olver </Td> <Td> Democratic </Td> <Td> 1991 </Td> <Td> Re-elected </Td> <Td> John Olver (D) 60.0% William Gunn (R) 34.9% Michael Engel (I) 5.1% </Td> </Tr> <Tr> <Th> Massachusetts 2 </Th> <Td> Richard Neal </Td> <Td> Democratic </Td> <Td> 1988 </Td> <Td> Re-elected </Td> <Td> Richard Neal (D) 57.4% Thomas Wesley (R) 42.6% </Td> </Tr> <Tr> <Th> Massachusetts 3 </Th> <Td> Jim McGovern </Td> <Td> Democratic </Td> <Td> </Td> <Td> Re-elected </Td> <Td> Jim McGovern (D) 56.5% Martin Lamb (R) 39.2% Patrick Barron (I) 4.3% </Td> </Tr> <Tr> <Th> Massachusetts 4 </Th> <Td> Barney Frank </Td> <Td> Democratic </Td> <Td> 1980 </Td> <Td> Re-elected </Td> <Td> Barney Frank (D) 53.9% Sean Bielat (R) 43.4% Susan Allen (I) 1.5% Donald Jordan (I) 1.2% </Td> </Tr>

When did the democrats lose control of congress