CREATE TABLE table_49662 ("Year" FLOAT, "Class" TEXT, "Team" TEXT, "Points" FLOAT, "Wins" FLOAT)

Name the Wins which has a Class of 350cc, and a Year smaller than 1973?
SELECT SUM("Wins") FROM table_49662 WHERE "Class" = '350cc' AND "Year" < '1973'
SELECT SUM("Wins") FROM "table_49662" WHERE "Class" = '350cc' AND "Year" < '1973'