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:
| rank | nation | gold | silver | bronze | total |
| 1 | soviet union | 7 | 6 | 0 | 13 |
| 2 | hungary | 2 | 2 | 1 | 5 |
| 3 | japan | 2 | 0 | 3 | 5 |
| 4 | romania | 1 | 3 | 1 | 5 |
| 5 | iran | 1 | 0 | 1 | 2 |
| 6 | turkey | 1 | 0 | 1 | 2 |
| 7 | finland | 1 | 0 | 0 | 1 |
| 7 | france | 1 | 0 | 0 | 1 |
| 9 | bulgaria | 0 | 2 | 2 | 4 |
| 10 | united states | 0 | 1 | 2 | 3 |
| 11 | east germany | 0 | 1 | 0 | 1 |
| 11 | india | 0 | 1 | 0 | 1 |
| 13 | czechoslovakia | 0 | 0 | 1 | 1 |
| 13 | mongolia | 0 | 0 | 1 | 1 |
| 13 | poland | 0 | 0 | 1 | 1 |
| 13 | south korea | 0 | 0 | 1 | 1 |
| 13 | sweden | 0 | 0 | 1 | 1 |
| total | total | 16 | 16 | 16 | 48 |
Title:
1967 world wrestling championships
Statement:
during the 1967 world wrestling championships , the united states won a single silver medal more than bulgaria
Answer:
refuted