Complex sentence: In the first two seasons before promotion to the Isthmian Premier, AFC Hornchurch had the highest average gates in their league, attracting a crowd of over 1000 for a match against Welling United in the latter stages of qualifying for the FA Cup in 2006-07.
Split into simpler sentences: In the first two seasons before promotion to the Isthmian Premier, AFC Hornchurch attracted the highest average gates in their league. They attracted a crowd of over 1000 for a match against Welling United in the latter stages of qualifying for the FA Cup in 2006-07.