CREATE TABLE "active_fleet" (
  "order_year" text,
  "manufacturer" text,
  "model" text,
  "fleet_qty" text,
  "propulsion" text,
  "length_ft" real
);

Question: Which Model has hybrid propulsion?
SQL: SELECT "model" FROM "active_fleet" WHERE "propulsion"='hybrid';

Question: What is the Propulsion for the model offered in 2003-2004 by neoplan usa?
SQL: SELECT "propulsion" FROM "active_fleet" WHERE "order_year"='2003-2004' AND "manufacturer"='neoplan usa';

Question: What is the Length (ft.) for a 2008 nfi d40lf?
SQL: SELECT "length_ft" FROM "active_fleet" WHERE "manufacturer"='nfi' AND "model"='d40lf' AND "order_year"='2008';