CREATE TABLE table_24512 ("Regional" CLOB, "Champions" CLOB, "Runners-up" CLOB, "Third place" CLOB, "Fourth place" CLOB)

who got the first position when Ehime Shimanami got the third position?
SELECT "Champions" FROM table_24512 WHERE "Third place" = 'Ehime Shimanami'
SELECT "Champions" FROM "table_24512" WHERE "Third place" = 'Ehime Shimanami'