Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| player | country | year (s) won | total | to par | finish |
| jack nicklaus | united states | 1963 , 1971 , 1973 , 1975 | 274 | 6 | 1 |
| lee trevino | united states | 1974 | 285 | + 5 | 7 |
| john mahaffey | united states | 1978 | 289 | + 9 | t15 |
| raymond floyd | united states | 1969 | 290 | + 10 | t17 |
| gary player | south africa | 1962 , 1972 | 292 | + 12 | t26 |
| david graham | australia | 1979 | 292 | + 12 | t26 |
| lanny wadkins | united states | 1977 | 293 | + 13 | t30 |
Title:
1980 pga championship
Statement:
all of the players in the 1980 pga championship were from the united states
Answer:
refuted