2013 New York Red Bulls season

Columns: # | Position | Player | Acquired From | Fee/Notes | Date
12 | MF | Ruben Bover | Charlton Athletic | Signed on free transfer after trialing during preseason | February 8 , 2013 | 21 | MF | Eric Alexander | Portland Timbers | Acquired for undisclosed allocation money | February 11 , 2013 | 22 | MF | Jonny Steele | Real Salt Lake | Acquired in exchange for conditional supplemental draft pick | February 20 , 2013 | 20 | MF | Michael Bustamante | Boston University | Drafted as 13th pick in the 1st round of the 2013 MLS Supplemental Draft ; subsequently signed | February 22 , 2013 | 2 | MF | Ian Christianson | Georgetown University | Drafted as 22nd pick in the 2nd round of the 2013 MLS SuperDraft ; subsequently signed | February 22 , 2013 | 92 | FW | Rafhinha | Toledo Colônia Work | Signed on a free transfer after trialing during preseason | March 18 , 2013 | 13 | MF | Marius Obekop | Renaissance FC | Signed on a free transfer after trialing during preseason | March 18 , 2013

Example questions:
The player acquired on December 6 , 2012 by the New York Red Bulls currently plays for which football club ? | What is the nickname of the player that the Red Bulls acquired on March 22 , 2013 ? | The player acquired on March 19 , 2013 by the New York Red Bulls was acquired from a club founded in which year ? | The player with the number 15 was acquired by the New York Red Bulls in 2013 came from a club that plays in which suburb of Denver ?

Answers:
Pérez Zeledón | El Gato | 1970 | Commerce City , Colorado