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 | opponent in the final | score in the final |
| winner | 1991 | frankfurt | carpet (i) | jim courier | 3 - 6 , 7 - 6 (7 - 5) , 6 - 3 , 6 - 4 |
| runner - up | 1993 | frankfurt | carpet (i) | michael stich | 6 - 7 (3 - 7) , 6 - 2 , 6 - 7 (7 - 9) , 2 - 6 |
| winner | 1994 | frankfurt | carpet (i) | boris becker | 4 - 6 , 6 - 3 , 7 - 5 , 6 - 4 |
| winner | 1996 | hannover | carpet (i) | boris becker | 3 - 6 , 7 - 6 (7 - 5) , 7 - 6 (7 - 4) , 6 - 7 (11 - 13) , 6 - 4 |
| winner | 1997 | hannover | hard (i) | yevgeny kafelnikov | 6 - 3 , 6 - 2 , 6 - 2 |
Title:
pete sampras career statistics
Statement:
frankfurt held the championship up until the year 1993
Answer:
refuted