text: Niklas Hjalmarsson ( born June 6 , 1987 ) is a Swedish ice hockey defenseman currently playing for the Chicago Blackhawks of the National Hockey League .
simplified: Niklas Hjalmarsson ( born June 6 , 1987 in EksjÃ , Sweden ) is a Swedish professional ice hockey player that currently plays for the Chicago Blackhawks of the National Hockey League ( NHL ) .