CREATE TABLE "rolling_stock" (
  "number" text,
  "builder" text,
  "type" text,
  "date" real,
  "length" text,
  "capacity" text
);

Question: Which Type has a Capacity of 28 passengers, and a Number of 16?
SQL: SELECT "type" FROM "rolling_stock" WHERE "capacity"='28 passengers' AND "number"='16';

Question: Which Builder has a Date smaller than 1913, and a Length of feet (m), and a Number of 15?
SQL: SELECT "builder" FROM "rolling_stock" WHERE "date"<1913 AND "length"='feet (m)' AND "number"='15';

Question: Which Date has a Length of feet 9inches (m), and a Builder of portland terminal company?
SQL: SELECT AVG("date") FROM "rolling_stock" WHERE "length"='feet 9inches (m)' AND "builder"='portland terminal company';

Question: Which Type has a Capacity of 10 tons, and a Number of 24-27?
SQL: SELECT "type" FROM "rolling_stock" WHERE "capacity"='10 tons' AND "number"='24-27';

Question: How many Dates have a Builder of laconia car company, and a Number of 63-68?
SQL: SELECT COUNT("date") FROM "rolling_stock" WHERE "builder"='laconia car company' AND "number"='63-68';