Table: f1_race_results_10
Columns: year
entrant
chassis
engine
points

Question: What engine has the Mercedes AMG Petronas f1 team, and 93 points?
SQL: SELECT "engine" FROM f1_race_results_10 WHERE "entrant" = 'mercedes amg petronas f1 team' AND "points" = '93'

Question: Which Chassis has 4 points?
SQL: SELECT "chassis" FROM f1_race_results_10 WHERE "points" = '4'