CREATE TABLE table_39530 ("Pos." FLOAT, "Car #" FLOAT, "Driver" CLOB, "Make" CLOB, "Team" CLOB)

Which Pos has a Team of roush fenway racing, and a Car # of 99?
SELECT SUM("Pos.") FROM table_39530 WHERE "Team" = 'roush fenway racing' AND "Car #" = '99'
SELECT SUM("Pos.") FROM "table_39530" WHERE "Car #" = '99' AND "Team" = 'roush fenway racing'