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:
| date | visitor | score | home | record |
| april 18 | chicago black hawks | 2 - 9 | montreal canadiens | 0 - 1 |
| april 20 | chicago black hawks | 1 - 4 | montreal canadiens | 0 - 2 |
| april 23 | montreal canadiens | 4 - 2 | chicago black hawks | 0 - 3 |
| april 25 | montreal canadiens | 1 - 2 | chicago black hawks | 1 - 3 |
| april 28 | chicago black hawks | 3 - 4 | montreal canadiens | 1 - 4 |
Title:
1967 - 68 chicago black hawks season
Statement:
the chicago black hawks only visited the montreal canadiens after april 20th
Answer:
refuted