human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Year, Event, Venue, Place, Weight class (kg)
###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?
gpt
SELECT MAX Year FROM table WHERE Event = fila world championships AND Venue = toledo, united states AND Weight class (kg) < 97