CREATE TABLE "portland_max_light_rail_cars" (
  "designation" text,
  "car_numbers" text,
  "manufacturer" text,
  "model_no" text,
  "first_used" text,
  "quantity" real
);

Question: Which First used has a Quantity of 26?
SQL: SELECT "first_used" FROM "portland_max_light_rail_cars" WHERE "quantity"=26;

Question: Which Designation has a Manufacturer of siemens, and a Quantity of 52?
SQL: SELECT "designation" FROM "portland_max_light_rail_cars" WHERE "manufacturer"='siemens' AND "quantity"=52;

Question: Which Designation has a Quantity of 52?
SQL: SELECT "designation" FROM "portland_max_light_rail_cars" WHERE "quantity"=52;

Question: Which Quantity has a Designation of type 4?
SQL: SELECT AVG("quantity") FROM "portland_max_light_rail_cars" WHERE "designation"='type 4';

Question: Which model number does bombardier manufacture?
SQL: SELECT "model_no" FROM "portland_max_light_rail_cars" WHERE "manufacturer"='bombardier';

Question: Which Car numbers have a First used of currently on order?
SQL: SELECT "car_numbers" FROM "portland_max_light_rail_cars" WHERE "first_used"='currently on order';