Question : inner join and an outer join in one query

Folks

i have the following

table 1    table 2     table 3

between table 2 and 3 there must be an inner join  

table 1 must have a left outer join to table 2

how do i get this to work fine without duplicates

Answer : inner join and an outer join in one query

SELECT t1.location,t3.wonum,t3.description
FROM assignment t2 inner join workorder t3
 ON t2.wonum= t3.wonum AND t2.siteid=t3.siteid
RIGHT OUTER JOIN
locations t1 on t1.location = t2.location AND t1.siteid=t2.siteid