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:
| years led | span of years led | player | titles won at point of lead | total career titles | tournament at which lead began |
| 1877 - 1880 | 4 | spencer gore | 1 | 1 | wimbledon |
| 1880 - 1883 | 4 | john hartley | 2 | 2 | wimbledon |
| 1883 - 1887 | 5 | william renshaw | 3 | 7 | wimbledon |
| 1887 - 1925 | 39 | richard sears | 7 | 7 | us championships |
| 1889 - 1925 | 37 | william renshaw | 7 | 7 | wimbledon |
| 1911 - 1925 | 15 | william larned | 7 | 7 | us championships |
| 1925 - 1967 | 43 | bill tilden | 8 | 10 | us championships |
| 1967 - 2000 | 34 | roy emerson | 11 | 12 | australian championships |
| 2000 - 2009 | 10 | pete sampras | 13 | 14 | wimbledon |
Title:
list of grand slam related tennis records
Statement:
richard sear 's span of years leading was half of william renshaw 's
Answer:
refuted