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:
| Place | Player | Country | Score | To par |
| --- | --- | --- | --- | --- |
| 1 | Tiger Woods | United States | 67-68=135 | –5 |
| 2 | Pádraig Harrington | Ireland | 70-68=138 | –2 |
| T3 | K. J. Choi | South Korea | 69-73=142 | +2 |
| T3 | Sergio García | Spain | 68-74=142 | +2 |
| T3 | Davis Love III | United States | 71-71=142 | +2 |
| T3 | Jeff Maggert | United States | 69-73=142 | +2 |
| T7 | Shigeki Maruyama | Japan | 76-67=143 | +3 |
| T7 | Billy Mayfair | United States | 69-74=143 | +3 |
| T7 | Phil Mickelson | United States | 70-73=143 | +3 |
| T10 | Robert Allenby | Australia | 74-70=144 | +4 |
| T10 | Tom Byrum | United States | 72-72=144 | +4 |
| T10 | Niclas Fasth | Sweden | 72-72=144 | +4 |
| T10 | Steve Flesch | United States | 72-72=144 | +4 |
| T10 | Justin Leonard | United States | 73-71=144 | +4 |
| T10 | Scott McCarron | United States | 72-72=144 | +4 |
| T10 | Rocco Mediate | United States | 72-72=144 | +4 |
Question:
What is Country, when Player is Billy Mayfair?
Answer:
United States