Table schema:
CREATE TABLE table_name_26 (final_position___vuelta VARCHAR, final_position___giro VARCHAR, final_position___tour VARCHAR)

Question: What is the final Vuelta position associated with a final Giro position over 39 and a final Tour position of 90?
SQL: SELECT final_position___vuelta FROM table_name_26 WHERE final_position___giro > 39 AND final_position___tour = 90