Instructions: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Input: Piotr Artur Trochowski (] , ] ; born 22 March 1984) is a German professional footballer who plays as an attacking midfielder and is currently unattached to a club. According to his FIFA World Cup 2010 profile he is a playmaker known for "his speed, agility, tricky dribbling and refined technique." Question: Who is the German professional footballer who is the client of Roman Grill? Answer: Piotr Trochowski
Output:
Piotr Artur Trochowski , ; born 22 March 1984 is a German professional footballer who plays as an attacking midfielder and is currently unattached to a club.