CREATE TABLE table_70839 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What is the total amount of points that Christy has in the years before 1954?
SELECT SUM("Points") FROM table_70839 WHERE "Entrant" = 'christy' AND "Year" < '1954'
SELECT SUM("Points") FROM "table_70839" WHERE "Entrant" = 'christy' AND "Year" < '1954'