question: Who investigated the Premier League 's collective selling rights in 1999 ?
answer: In July 1999 the Premier League 's method of selling rights collectively for all member clubs was investigated by the UK Restrictive Practices Court ,
turker_answer: In July 1999 the Premier League 's method of selling rights collectively for all member clubs was investigated by the UK Restrictive Practices Court .
rule-based: In July 1999 the Premier League 's method of selling rights collectively for all member clubs was investigated by the UK Restrictive Practices Court investigated the Premier League 's collective selling rights in 1999 .