Complex sentence: The 1997 season was the most eventful for Smith and his team, which made a preliminary final, and during the despite a 4 goal lead in the last quarter, had victory stolen from them by Adelaide.
Split into simpler sentences: The 1997 season was the most eventful for Smith and his team, which made a preliminary final. Despite a 4 goal lead in the last quarter, the Bulldogs had victory stolen from them by Adelaide.