Complex sentence: Jackson played in 94 league matches and scored 22 goals for the "Doonhamers" and departed "Queens" alongside Collings at the end of the 1969-70 was his last season playing for Queens in which the club missed out on promotion by one place.
Split into simpler sentences: Jackson played in 94 league matches and scored 22 goals for the "Doonhamers". Like Collings 69/70 was his last season playing for Queens in which the club missed out on promotion by one place.