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:
| tournament | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | career sr | career w - l | career win % |
| grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments | grand slam tournaments |
| australian open | a | a | a | 3r | a | a | a | a | a | a | 1r | a | 0 / 2 | 2 - 2 | 33.33 |
| french open | a | 3r | a | a | a | 1r | 2r | 1r | 1r | 2r | 1r | a | 0 / 7 | 4 - 7 | 36.36 |
| wimbledon | 2r | 1r | 3r | 1r | a | a | qf | 2r | 3r | 1r | 1r | 1r | 0 / 11 | 10 - 11 | 47.61 |
| us open | a | 3r | 1r | 1r | a | 3r | 4r | a | 2r | a | a | a | 0 / 6 | 8 - 6 | 53.33 |
| win - loss | 1 - 1 | 4 - 3 | 2 - 2 | 2 - 3 | 0 - 0 | 2 - 2 | 8 - 3 | 1 - 2 | 3 - 3 | 1 - 2 | 0 - 3 | 0 - 1 | 0 / 26 | 24 - 26 | 48.00 |
Title:
ismail el shafei
Statement:
the highest percentage of career wins took place at the us open
Answer:
supported