Table: mclaren_1970_results
Columns: year
entrant
chassis
engine
points

Question: What was marlboro brm's lowest points by using brm p160b?
SQL: SELECT MIN("points") FROM mclaren_1970_results WHERE "entrant" = 'marlboro brm' AND "chassis" = 'brm p160b'

Question: What is the total points in 1974?
SQL: SELECT COUNT("points") FROM mclaren_1970_results WHERE "year" = 1974

Question: Who has 0 points in 1974?
SQL: SELECT "entrant" FROM mclaren_1970_results WHERE "points" = 0 AND "year" = 1974

Question: What is the lowest points of using mclaren m14a as chassis?
SQL: SELECT MIN("points") FROM mclaren_1970_results WHERE "chassis" = 'mclaren m14a'