Table schema:
CREATE TABLE table_name_29 (franchise VARCHAR, finish VARCHAR, percentage VARCHAR, year VARCHAR)

Question: Which Franchise has a Percentage under 0.707, a Year larger than 1931, and the Finish was won 1998 World Series?
SQL: SELECT franchise FROM table_name_29 WHERE percentage < 0.707 AND year > 1931 AND finish = "won 1998 world series"