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:
| outcome | year | championship | surface | partner | opponents | score |
| winner | 1960 | wimbledon championships | grass | rafael osuna | mike davies bobby wilson | 7 - 5 , 6 - 3 , 10 - 8 |
| winner | 1961 | us championships | grass | chuck mckinley | rafael osuna antonio palafox | 6 - 3 , 6 - 4 , 2 - 6 , 13 - 11 |
| runner - up | 1962 | us championships | grass | chuck mckinley | rafael osuna antonio palafox | 6 - 4 , 10 - 12 , 1 - 6 , 9 - 7 , 6 - 3 |
| winner | 1963 | us championships (2) | grass | chuck mckinley | rafael osuna antonio palafox | 9 - 7 , 4 - 6 , 5 - 7 , 6 - 3 , 11 - 9 |
| winner | 1964 | us championships (3) | grass | chuck mckinley | mike sangster graham stilwell | 6 - 3 , 6 - 2 , 6 - 4 |
| winner | 1966 | french championships | clay | clark graebner | ilie năstase ion ţiriac | 6 - 3 , 6 - 3 , 6 - 0 |
| runner - up | 1966 | us championships (2) | grass | clark graebner | roy emerson fred stolle | 6 - 4 , 6 - 4 , 6 - 4 |
| runner - up | 1969 | us open (3) | grass | clark graebner | ken rosewall fred stolle | 2 - 6 , 7 - 5 , 13 - 11 , 6 - 3 |
Title:
dennis ralston
Statement:
only the french championships have a surface of clay rather than grass
Answer:
supported