Complex sentence: During the final season at Loakes Park, 1989-90, Wycombe Wanderers were still playing in the GM Vauxhall Conference, and three years later they won promotion to the Football League.
Split into simpler sentences: During the final season at Loakes Park, 1989-90, Wycombe Wanderers were still playing in the GM Vauxhall Conference. Three years later they won promotion to the Football League.