Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_70 (points INTEGER, entrant VARCHAR, year VARCHAR)
### Question:
What is the total points that an 1951 Entrant alfa romeo spa have?
### Answer:
SELECT SUM(points) FROM table_name_70 WHERE entrant = "alfa romeo spa" AND year < 1951