Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Opponent | Result | Game Site | Attendance |
| --- | --- | --- | --- | --- |
| April 8, 2007 | Los Angeles Galaxy | T, 0-0 | Robertson Stadium | 16,404 |
| April 14, 2007 | Chivas USA | W, 1-0 | Robertson Stadium | 16,519 |
| April 21, 2007 | @ New York Red Bulls | L, 1-0 | Giants Stadium | 12,481 |
| April 29, 2007 | Chicago Fire | L, 1-0 | Robertson Stadium | 13,392 |
| May 5, 2007 | @ Colorado Rapids | W, 3-1 | Dick's Sporting Goods Park | 10,719 |
| May 16, 2007 | @ Toronto FC | L, 1-0 | BMO Field | 19,123 |
| May 19, 2007 | New England Revolution | L, 1-0 | Robertson Stadium | 18,232 |
| May 26, 2007 | @ D.C. United | L, 2-1 | RFK Stadium | 18,078 |
| June 3, 2007 | FC Dallas | W, 2-1 | Robertson Stadium | 13,199 |
| June 7, 2007 | Colorado Rapids | W, 2-1 | Robertson Stadium | 12,017 |
| June 10, 2007 | @ Columbus Crew | W, 2-1 | Columbus Crew Stadium | 12,661 |
| June 21, 2007 | Chivas USA | W, 4-0 | Robertson Stadium | 14,184 |
| June 24, 2007 | @ Kansas City Wizards | W, 1-0 | Arrowhead Stadium | 8,091 |
| June 30, 2007 | @ FC Dallas | T, 0-0 | Pizza Hut Park | 13,887 |
| July 5, 2007 | New York Red Bulls | W, 4-0 | Robertson Stadium | 14,072 |
| July 8, 2007 | D.C. United | W, 1-0 | Robertson Stadium | 15,033 |
| July 12, 2007 | @ Chicago Fire | W, 4-0 | Toyota Park | 20,034 |
| July 15, 2007 | Toronto FC | T, 0-0 | Robertson Stadium | 11,114 |
| July 22, 2007 | @ New England Revolution | T, 3-3 | Gillette Stadium | 14,606 |
| August 4, 2007 | @ Real Salt Lake | L, 1-0 | Rice-Eccles Stadium | 13,003 |
| August 11, 2007 | @ Colorado Rapids | L, 1-0 | Dick's Sporting Goods Park | 18,024 |
| August 19, 2007 | FC Dallas | W, 1-0 | Robertson Stadium | 19,501 |
| August 25, 2007 | Columbus Crew | T, 1-1 | Robertson Stadium | 14,351 |
| September 1, 2007 | Kansas City Wizards | T, 1-1 | Robertson Stadium | 13,530 |
| September 8, 2007 | Real Salt Lake | W, 4-3 | Robertson Stadium | 16,104 |
| September 16, 2007 | @ Los Angeles Galaxy | W, 3-1 | The Home Depot Center | 25,217 |
| September 30, 2007 | @ FC Dallas | W, 3-0 | Pizza Hut Park | 17,366 |
| October 7, 2007 | Los Angeles Galaxy | L, 2-1 | Robertson Stadium | 30,588 |
| October 15, 2007 | @ Real Salt Lake | W, 1-0 | Rice-Eccles Stadium | 14,587 |
| October 20, 2007 | @ Chivas USA | T, 0-0 | The Home Depot Center | 16,853 |
| MLS Cup Playoffs | MLS Cup Playoffs | MLS Cup Playoffs | MLS Cup Playoffs | MLS Cup Playoffs |
| Western Conference Semifinals | Western Conference Semifinals | Western Conference Semifinals | Western Conference Semifinals | Western Conference Semifinals |
| October 27, 2007 | @ FC Dallas | L, 1-0 | Pizza Hut Park | 12,537 |
| November 2, 2007 | FC Dallas | W, 4-1 ( aet ) | Robertson Stadium | 30,088 |
| Dynamo Advance 4-2 on Aggregate | Dynamo Advance 4-2 on Aggregate | Dynamo Advance 4-2 on Aggregate | Dynamo Advance 4-2 on Aggregate | Dynamo Advance 4-2 on Aggregate |
| Western Conference Final | Western Conference Final | Western Conference Final | Western Conference Final | Western Conference Final |
| November 10, 2007 | Kansas City Wizards | W, 2-0 | Robertson Stadium | 30,972 |
| MLS Cup 2007 | MLS Cup 2007 | MLS Cup 2007 | MLS Cup 2007 | MLS Cup 2007 |
| November 18, 2007 | New England Revolution | W, 2-1 | RFK Stadium | 39,859 |
| Houston Dynamo Win MLS Cup 2007 | Houston Dynamo Win MLS Cup 2007 | Houston Dynamo Win MLS Cup 2007 | Houston Dynamo Win MLS Cup 2007 | Houston Dynamo Win MLS Cup 2007 |
Question:
Who was the opponent on the game on April 14, 2007?
Answer:
Chivas USA