Table schema:
CREATE TABLE table_name_37 (year INTEGER, weight_class__kg_ VARCHAR, event VARCHAR, venue VARCHAR)

Question: What is the highest year that has fila world championships as the event, with toledo, united states as the venue, and a weight class (kg) less than 97?
SQL: SELECT MAX(year) FROM table_name_37 WHERE event = "fila world championships" AND venue = "toledo, united states" AND weight_class__kg_ < 97