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 |
| --- | --- | --- | --- | --- | --- |
| Raymond Floyd | United States | 1969 | 272.0 | –8 | 1 |
| Lanny Wadkins | United States | 1977 | 275.0 | –5 | 2 |
| Jack Nicklaus | United States | 1963 , 1971 , 1973 1975 , 1980 | 283.0 | +3 | T16 |
| Bobby Nichols | United States | 1964 | 287.0 | +7 | T34 |
| John Mahaffey | United States | 1978 | 288.0 | +8 | T42 |
| David Graham | Australia | 1979 | 289.0 | +9 | T49 |
Question:
What country is jack nicklaus from?
Answer:
United States