CREATE TABLE table_70207 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What is the total points that an 1951 Entrant alfa romeo spa have?
SELECT SUM("Points") FROM table_70207 WHERE "Entrant" = 'alfa romeo spa' AND "Year" < '1951'
SELECT SUM("Points") FROM "table_70207" WHERE "Entrant" = 'alfa romeo spa' AND "Year" < '1951'