CREATE TABLE "tallest_buildings" (
  "rank" text,
  "name" text,
  "height_ft_m" text,
  "floors" real,
  "year" real
);

Question: In what Year was the Rank 14.0 14?
SQL: SELECT SUM("year") FROM "tallest_buildings" WHERE "rank"='14.0 14';

Question: After 1971, what is the Rank with a Height ft (m) of 19.0 477 (145) and less than 35 Floors?
SQL: SELECT "rank" FROM "tallest_buildings" WHERE "year">1971 AND "floors"<35 AND "height_ft_m"='19.0 477 (145)';

Question: What Year has a Rank of 12.0 12?
SQL: SELECT AVG("year") FROM "tallest_buildings" WHERE "rank"='12.0 12';