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:
| sport | event | nation | gold | silver | bronze | total |
| swimming | women 's 50 m freestyle | brazil (bra) | ↓ 1 | ↔ | ↑ 1 | ↔ |
| swimming | women 's 50 m freestyle | venezuela (ven) | ↑ 1 | ↓ 1 | ↔ | ↔ |
| swimming | women 's 50 m freestyle | puerto rico (pur) | ↔ | ↑ 1 | ↓ 1 | ↔ |
| swimming | women 's 100 m freestyle | brazil (bra) | ↓ 1 | ↑ 1 | ↓ 1 | ↓ 1 |
| swimming | women 's 100 m freestyle | venezuela (ven) | ↑ 1 | ↓ 1 | ↔ | ↔ |
| swimming | women 's 100 m freestyle | puerto rico (pur) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| swimming | women 's 4x100 m freestyle | brazil (bra) | ↔ | ↓ 1 | ↔ | ↓ 1 |
| swimming | women 's 4x100 m freestyle | canada (can) | ↔ | ↑ 1 | ↓ 1 | ↔ |
| swimming | women 's 4x100 m freestyle | venezuela (ven) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| swimming | women 's 4x100 m medley relay | brazil (bra) | ↔ | ↔ | ↓ 1 | ↓ 1 |
| swimming | women 's 4x100 m medley relay | bahamas (bah) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| cycling | men 's road individual time trial | colombia (col) | ↔ | ↓ 1 | ↔ | ↓ 1 |
| cycling | men 's road individual time trial | argentina (arg) | ↔ | ↑ 1 | ↓ 1 | ↔ |
| cycling | men 's road individual time trial | canada (can) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| weightlifting | men 's 105 kg category | brazil (bra) | ↔ | ↔ | ↓ 1 | ↓ 1 |
| weightlifting | men 's 105 kg category | argentina (arg) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| total | total | argentina (arg) | ↔ | ↑ 1 | ↔ | ↑ 1 |
| total | total | bahamas (bah) | ↔ | ↔ | ↑ 1 | ↑ 1 |
| total | total | brazil (bra) | ↓ 2 | ↔ | ↓ 2 | ↓ 4 |
| total | total | canada (can) | ↔ | ↑ 1 | ↔ | ↑ 1 |
| total | total | colombia (col) | ↔ | ↓ 1 | ↔ | ↓ 1 |
| total | total | puerto rico (pur) | ↔ | ↑ 1 | ↔ | ↑ 1 |
| total | total | venezuela (ven) | ↑ 2 | ↓ 2 | ↑ 1 | ↑ 1 |
Title:
2007 pan american games medal table
Statement:
the fewest changes in the number of medals were made in weightlifting
Answer:
supported