Table: race_results_20
Columns: year
entrant
chassis
engine
points

Question: Which entrant scored less than 2 points?
SQL: SELECT "entrant" FROM race_results_20 WHERE "points" < 2

Question: Which entrant used the chassis de tomaso 505?
SQL: SELECT "entrant" FROM race_results_20 WHERE "chassis" = 'de tomaso 505'