CREATE TABLE "diesel" (
  "engine" text,
  "capacity_l" real,
  "power_hp" real,
  "torque" text,
  "used" text
);

Question: What is the torque of a 2B engine?
SQL: SELECT "torque" FROM "diesel" WHERE "engine"='2b';

Question: What is the highest power (hp) of an OM314 engine?
SQL: SELECT MAX("power_hp") FROM "diesel" WHERE "engine"='om314';

Question: When was power (hp) less than 93 for the OM324 engine used?
SQL: SELECT "used" FROM "diesel" WHERE "power_hp"<93 AND "engine"='om324';