CREATE TABLE "history_of_leaders" (
  "name" text,
  "term_start" real,
  "term_end" text,
  "date_of_birth" text,
  "date_of_death" text
);

Question: What was the name of the leader whose term ended in 2013?
SQL: SELECT "name" FROM "history_of_leaders" WHERE "term_end"='2013';

Question: When was the start of the leader's term who was born on January 8, 1859 and whose term ended in 1919?
SQL: SELECT "term_start" FROM "history_of_leaders" WHERE "term_end"='1919' AND "date_of_birth"='january 8, 1859';

Question: Which leader born on December 17, 1874 started their term before 1984?
SQL: SELECT "name" FROM "history_of_leaders" WHERE "term_start"<1984 AND "date_of_birth"='december 17, 1874';