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:
| Player | Country | Year(s) won | Total | To par | Finish |
| --- | --- | --- | --- | --- | --- |
| Lee Trevino | United States | 1974 , 1984 | 280.0 | –4 | 2 |
| Lanny Wadkins | United States | 1977 | 284.0 | E | T10 |
| Larry Nelson | United States | 1981 | 287.0 | +3 | T23 |
| John Mahaffey | United States | 1978 | 287.0 | +3 | T23 |
| Jack Nicklaus | United States | 1963 , 1971 , 1973 1975 , 1980 | 289.0 | +5 | T32 |
| David Graham | Australia | 1979 | 289.0 | +5 | T32 |
| Bobby Nichols | United States | 1964 | 291.0 | +7 | T40 |
| Dave Stockton | United States | 1970 , 1976 | 295.0 | +11 | T59 |
| Hal Sutton | United States | 1983 | 298.0 | +14 | T65 |
| Al Geiberger | United States | 1966 | 302.0 | +18 | T73 |
Question:
Which country has a Year(s) won in 1964?
Answer:
United States