CREATE TABLE table_37705 ("Year" FLOAT, "Chassis" TEXT, "Engine" TEXT, "Start" FLOAT, "Finish" FLOAT, "Team" TEXT)

How many starts are associated with an oldsmobile engine, 21 finishes and before 2001?
SELECT SUM("Start") FROM table_37705 WHERE "Engine" = 'oldsmobile' AND "Finish" = '21' AND "Year" < '2001'
SELECT SUM("Start") FROM "table_37705" WHERE "Engine" = 'oldsmobile' AND "Finish" = '21' AND "Year" < '2001'