CREATE TABLE "equipment" (
  "builder" text,
  "construct_tion_no" real,
  "date_ordered" text,
  "wheel_arrange_ment" text,
  "s_cylinder" text,
  "engine_weight" text,
  "tc_st_l_no_1883_84" real
);

Question: How many constructions has a Wheel arrange- ment of 4-4-0?
SQL: SELECT SUM("construct_tion_no") FROM "equipment" WHERE "wheel_arrange_ment"='4-4-0';

Question: Who built the order on November 1881 of more than 54 TC&StL no. (1883–84)?
SQL: SELECT "builder" FROM "equipment" WHERE "tc_st_l_no_1883_84">54 AND "date_ordered"='november 1881';