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 |
| --- | --- | --- | --- | --- | --- |
| Hale Irwin | United States | 1974 | 288.0 | 4.0 | T4 |
| Jack Nicklaus | United States | 1962 , 1967 , 1972 | 289.0 | 5.0 | T6 |
| Gary Player | South Africa | 1965 | 289.0 | 5.0 | T6 |
| Johnny Miller | United States | 1973 | 289.0 | 5.0 | T6 |
| Lee Trevino | United States | 1968 , 1971 | 291.0 | 7.0 | T12 |
| Jerry Pate | United States | 1976 | 292.0 | 8.0 | T16 |
| Billy Casper | United States | 1959 , 1966 | 297.0 | 13.0 | T30 |
| Lou Graham | United States | 1975 | 298.0 | 14.0 | T35 |
Question:
What is the sum of To Par, when Country is "United States", and when Year(s) Won is "1973"?
Answer:
5.0