Question: What was the runner-up when champion is 0, 4th place is 0 and rank is 6?
SQL: SELECT "Runner-up" FROM "2-18057725-2" WHERE "Champion" = '0' AND "Fourth place" = '0' AND "Rank" = 6.0;

Question: What is the runner-up for rank of 7?
SQL: SELECT "Runner-up" FROM "2-18057725-2" WHERE "Rank" = 7.0;

Question: What is the runner-up when the total is 5?
SQL: SELECT "Runner-up" FROM "2-18057725-2" WHERE "Total" = 5.0;