Complex sentence: George Matthewson Thomson (19 October 1936--July 2007) was a Scottish professional football left back who played for Heart of Midlothian, Everton and Brentford.
Split into simpler sentences: George Matthewson Thomson (19 October 1936--July 2007) was a Scottish professional association footballer. Thomson played for Heart of Midlothian, Everton and Brentford.