CREATE TABLE "past_winners" (
  "edition" text,
  "date" text,
  "winner" text,
  "country" text,
  "time_h_m_s" text
);

Question: What was the nationality of the winner on December 8, 1968?
SQL: SELECT "country" FROM "past_winners" WHERE "date"='december 8, 1968';

Question: On what date did Lee Bong-Ju win in 2:10:48?
SQL: SELECT "date" FROM "past_winners" WHERE "time_h_m_s"='2:10:48' AND "winner"='lee bong-ju';

Question: On what date was the 48th Edition raced?
SQL: SELECT "date" FROM "past_winners" WHERE "edition"='48th';

Question: What was the nationality of the winner of the 42nd Edition?
SQL: SELECT "country" FROM "past_winners" WHERE "edition"='42nd';

Question: What was the nationality of the winner for the 20th Edition?
SQL: SELECT "country" FROM "past_winners" WHERE "edition"='20th';

Question: Who was the winner of the 23rd Edition?
SQL: SELECT "winner" FROM "past_winners" WHERE "edition"='23rd';