Table: race_results_33
Columns: year
entrant
chassis
engine
points

Question: What is the highest year that has no more than 0 points?
SQL: SELECT MAX("year") FROM race_results_33 WHERE "points" < 0

Question: Which of the chassis had a total of 7 points?
SQL: SELECT "chassis" FROM race_results_33 WHERE "points" = 7

Question: What was the latest year that a Bardahl entrant had a Kurtis Kraft 500c chassis with no more than 0 points?
SQL: SELECT MAX("year") FROM race_results_33 WHERE "chassis" = 'kurtis kraft 500c' AND "entrant" = 'bardahl' AND "points" < 0

Question: What was the average points for Hopkins before 1956?
SQL: SELECT AVG("points") FROM race_results_33 WHERE "entrant" = 'hopkins' AND "year" < 1956

Question: What is the least amount of points the entrant Simoniz received before 1960?
SQL: SELECT MIN("points") FROM race_results_33 WHERE "year" < 1960 AND "entrant" = 'simoniz'