CREATE TABLE table_10907 ("Year" FLOAT, "Class" TEXT, "Bike" TEXT, "Rank" TEXT, "Points" FLOAT)

Which rank took place prior to 2000 when the bike was bsl?
SELECT "Rank" FROM table_10907 WHERE "Year" < '2000' AND "Bike" = 'bsl'
SELECT "Rank" FROM "table_10907" WHERE "Bike" = 'bsl' AND "Year" < '2000'