<Tr> <Td> 1988 </Td> <Td> Los Angeles Lakers (1) (22, 11--11) </Td> <Td> Pat Riley </Td> <Td> 4--3 </Td> <Td> Detroit Pistons (2) (3, 0--3) </Td> <Td> Chuck Daly </Td> <Td> </Td> </Tr> <Tr> <Td> 1989 </Td> <Td> Los Angeles Lakers (1) (23, 11--12) </Td> <Td> Pat Riley </Td> <Td> 0--4 </Td> <Td> Detroit Pistons (1) (4, 1--3) </Td> <Td> Chuck Daly </Td> <Td> </Td> </Tr> <Tr> <Td> 1990 </Td> <Td> Portland Trail Blazers (3) (2, 1--1) </Td> <Td> Rick Adelman </Td> <Td> 1--4 </Td> <Td> Detroit Pistons (1) (5, 2--3) </Td> <Td> Chuck Daly </Td> <Td> </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> Los Angeles Lakers (3) (24, 11--13) </Td> <Td> Mike Dunleavy </Td> <Td> 1--4 </Td> <Td> Chicago Bulls (1) (1, 1--0) </Td> <Td> Phil Jackson </Td> <Td> </Td> </Tr>

Who won the nba finals the past 5 years