SCHEMA:
CREATE TABLE table_name_17 (points VARCHAR, chassis VARCHAR, entrant VARCHAR, year VARCHAR)
USER:
what is the points when the entrant is brabham racing organisation, the year is 1964 and the chassis is brabham bt7?

QUERY:
SELECT points FROM table_name_17 WHERE entrant = "brabham racing organisation" AND year = 1964 AND chassis = "brabham bt7"