CREATE TABLE "schedule" (
  "date" text,
  "opponentnum" text,
  "rank_num" text,
  "site" text,
  "result" text,
  "attendance" text
);

Question: What rank were the Buckeyes when there were 68,586 in attendance?
SQL: SELECT "rank_num" FROM "schedule" WHERE "attendance"='68,586';

Question: What date was the game when 40,000 attended?
SQL: SELECT "date" FROM "schedule" WHERE "attendance"='40,000';

Question: What date was the game when 45,943 attended?
SQL: SELECT "date" FROM "schedule" WHERE "attendance"='45,943';

Question: Who was the opponent that played against the Buckeyes on October 17?
SQL: SELECT "opponentnum" FROM "schedule" WHERE "date"='october 17';

Question: What is the result of the game played when 22,555 were in attendance and the Buckeyes were ranked #1?
SQL: SELECT "result" FROM "schedule" WHERE "rank_num"='1' AND "attendance"='22,555';