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 | round | circuit | race 1 winner | race 2 winner | report |
| 1 april | great britain | donington | doug polen | stéphane mertens | report |
| 28 april | spain | jarama | doug polen | doug polen | report |
| 2 june | canada | mosport | pascal picotte | tom kipp | report |
| 9 june | united states | brainerd | doug polen | doug polen | report |
| 30 june | austria | österreichring | stéphane mertens | doug polen | report |
| 4 august | san marino | misano | doug polen | doug polen | report |
| 11 august | sweden | anderstorp | doug polen | doug polen | report |
| 25 august | japan | sugo | doug polen | doug polen | report |
| 1 september | malaysia | shah alam | raymond roche | raymond roche | report |
| 15 september | germany | hockenheim | doug polen | raymond roche | report |
| 29 september | france | magny - cours | doug polen | doug polen | report |
| 6 october | italy | mugello | doug polen | raymond roche | report |
| 19 october | australia | phillip island | kevin magee | doug polen | report |
Title:
1991 superbike world championship season
Statement:
according to the report , on october 6 , doug polen won race 1 and raymond roche won race 2 in mugello , italy
Answer:
supported