What are the player name, number of matches, and information source for players who do not suffer from injury of 'Knee problem'?
SELECT player ,  number_of_matches ,  SOURCE FROM injury_accident WHERE injury != 'Knee problem'
players who do not suffer from injury of 'Knee problem' refers to injury != 'Knee problem'; player name refers to player; number of matches refers to number_of_matches; information source refers to SOURCE;