CREATE TABLE table_name_67 (year INT, final_position___tour VARCHAR, final_position___vuelta VARCHAR)

What is the average year that has a final Tour position of 54 and a final Vuelta position over 55?
SELECT AVG(year) FROM table_name_67 WHERE final_position___tour = 54 AND final_position___vuelta > 55
SELECT AVG("year") FROM "table_name_67" WHERE "final_position___tour" = 54 AND "final_position___vuelta" > 55