2013 D.C. United season

Columns: No | Pos | Player | Transferred From | Fee/Notes | Date
19 | FW | Kyle Porter | FC Edmonton | Undisclosed | February 23 , 2013 | 27 | MF | Sainey Nyassi | New England Revolution | Free | May 27 , 2013 | 25 | MF | Alain Rochat | Vancouver Whitecaps FC | Traded for 2015 MLS SuperDraft second round pick | June 6 , 2013 | 25 | MF | Jared Jeffrey | Mainz 05 | Waiver draft | July 3 , 2013 | 12 | MF | Luis Silva | Toronto FC | Traded for allocation money | July 9 , 2013 | 32 | MF | Collin Martin | The Academy | Signed on to the first team as a HGP | July 9 , 2013 | 3 | DF | Dennis Iapichino | Montreal Impact | Free | August 15 , 2013

Example questions:
What is the jersey number of the 2013 DC United transfer player who was born on July 7 , 1989 ? | What is the jersey number of the 2013 DC United transfer player who spent eleven seasons in Major League Soccer ( MLS ) ? | What is the jersey number of the 2013 DC United transfer player who was born on July 23 , 1990 ? | What is the jersey number of the 2013 DC United transfer player who was nicknamed El Pescadito ( `` The Little Fish `` ) ?

Answers:
16 | 2 | 33 | 20