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 |
| --- | --- | --- | --- | --- | --- |
| Billy Casper | United States | 1959 | 278.0 | –2 | 1 |
| Arnold Palmer | United States | 1960 | 278.0 | –2 | 2 |
| Jack Nicklaus | United States | 1962 | 285.0 | +5 | 3 |
| Ben Hogan | United States | 1948 , 1950 , 1951 , 1953 | 291.0 | +11 | 12 |
| Gary Player | South Africa | 1965 | 293.0 | +13 | T15 |
| Julius Boros | United States | 1952 , 1963 | 294.0 | +14 | T17 |
| Ken Venturi | United States | 1964 | 294.0 | +14 | T17 |
| Gene Littler | United States | 1961 | 301.0 | +21 | T48 |
Question:
What is Finish, when Country is "United States", and when To Par is "+21"?
Answer:
T48