CREATE TABLE "bus_fleet" (
  "year" text,
  "make_model" text,
  "length" text,
  "engine_type" text,
  "numbers" text
);

Question: What is the length for years 2012-2013?
SQL: SELECT "length" FROM "bus_fleet" WHERE "year"='2012-2013';

Question: If length is ft (m) with numbers of 6600-6684 (84 buses) for 2003, what is the engine type?
SQL: SELECT "engine_type" FROM "bus_fleet" WHERE "length"='ft (m)' AND "year"='2003' AND "numbers"='6600-6684 (84 buses)';

Question: For numbers of 2600-2825 (223 buses), what is the length?
SQL: SELECT "length" FROM "bus_fleet" WHERE "numbers"='2600-2825 (223 buses)';

Question: What is the lenth of a 2003 Make & Model of nabi 35-lfw?
SQL: SELECT "length" FROM "bus_fleet" WHERE "year"='2003' AND "make_model"='nabi 35-lfw';

Question: What is the length for a diesel engine with numbers of tbd (13 buses)?
SQL: SELECT "length" FROM "bus_fleet" WHERE "engine_type"='diesel' AND "numbers"='tbd (13 buses)';

Question: What year has a make & model of mci d4000n?
SQL: SELECT "year" FROM "bus_fleet" WHERE "make_model"='mci d4000n';