CREATE TABLE "coach_fleet" (
  "year_built" text,
  "builder" text,
  "model" text,
  "fleet_id" text,
  "seats" real
);

Question: Which model has 175 seats?
SQL: SELECT "model" FROM "coach_fleet" WHERE "seats"=175;

Question: In what year was the ctc-3 model built?
SQL: SELECT "year_built" FROM "coach_fleet" WHERE "model"='ctc-3';

Question: How many seats does the BTC-5 model have?
SQL: SELECT SUM("seats") FROM "coach_fleet" WHERE "model"='btc-5';

Question: For the train built in 2012 with less than 179 seats, what is the Fleet ID?
SQL: SELECT "fleet_id" FROM "coach_fleet" WHERE "year_built"='2012' AND "seats"<179;