Complex sentence: AFC Wimbledon's highest attendance at Kingsmeadow was 4,784 against Liverpool on 5 January 2015 which set the record attendance at Kingsmeadow.
Split into simpler sentences: AFC Wimbledon's highest attendance at Kingsmeadow was 4,784 v Liverpool on 5 January 2015. This is the record attendance at Kingsmeadow.