CREATE TABLE table_13713 ("Year" FLOAT, "MISS EARTH" CLOB, "Miss Air  ( 1st Runner-up ) " CLOB, "Miss Water  ( 2nd Runner-up ) " CLOB, "Miss Fire  ( 3rd Runner-up ) " CLOB)

What year was Caroline Medina Miss Fire (3rd Runner-up)?
SELECT AVG("Year") FROM table_13713 WHERE "Miss Fire (3rd Runner-up)" = 'caroline medina'
SELECT AVG("Year") FROM "table_13713" WHERE "Miss Fire (3rd Runner-up)" = 'caroline medina'