Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_42263 ( "Year" real, "Entrant" text, "Chassis" text, "Engine" text, "Points" real )

### Question ###
What's the total points that Scuderia Ferrari with a Ferrari V12 engine have before 1971?

### Accurate SQL ###

SELECT SUM("Points") FROM table_42263 WHERE "Year" < '1971' AND "Entrant" = 'scuderia ferrari' AND "Engine" = 'ferrari v12'