Table: ella_lombardi_race_results
Columns: year
entrant
chassis
engine
points

Question: What were the highest points before the year 1974?
SQL: SELECT MAX("points") FROM ella_lombardi_race_results WHERE "year" < 1974

Question: What was the chassis when the entrant was Lavazza March, and the points were 0.5?
SQL: SELECT "chassis" FROM ella_lombardi_race_results WHERE "entrant" = 'lavazza march' AND "points" = 0.5

Question: What was the chassis when the entrant was Lavazza March, and the year was 1975?
SQL: SELECT "chassis" FROM ella_lombardi_race_results WHERE "entrant" = 'lavazza march' AND "year" = 1975

Question: What was the chassis when the points were greater than 0 and the entrant was March Engineering?
SQL: SELECT "chassis" FROM ella_lombardi_race_results WHERE "points" > 0 AND "entrant" = 'march engineering'