2012 Philadelphia Union season

Columns: No | Position | Player | Nation
8 | Midfielder | Roger Torres | Colombia | 9 | Forward | Jack McInerney ( GA ) | United States | 11 | Midfielder | Freddy Adu ( DP ) | United States | 12 | Forward | Chandler Hoffman ( GA ) | United States | 13 | Midfielder | Michael Lahoud | United States | 14 | Midfielder | Amobi Okugo ( GA ) | United States | 15 | Midfielder | Gabriel Farfan | United States

Example questions:
What is the position played by the Sierra Leonean footballer who played for the 2012 Philadelphia Union and holds American citizenship ? | What is the position for the player from the 2012 Philadelphia Union who was born September 10 , 1985 in San Jose ? | What is the position played by the athlete whose surname is Stopani and who wears a number higher than 19 for the 2012 Philadelphia Union ? | What is the position played by the athlete whose surname is Stopani and who wears a number lower than 18 for the 2012 Philadelphia Union ?

Answers:
Midfielder | Defender | Midfielder | Midfielder