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:
| round | circuit | location / state | date | winner |
| rd 1 | adelaide international raceway | adelaide , south australia | 10 july | alfredo costanzo |
| rd 2 | lakeside | brisbane , queensland | 23 july | andrew miedecke |
| rd 3 | oran park | sydney , new south wales | 21 august | alfredo costanzo |
| rd 4 | sandown park | melbourne , victoria | 11 september | alfredo costanzo |
| rd 5 | winton | benalla , victoria | 16 october | alfredo costanzo |
| rd 6 | calder park | melbourne , victoria | 13 november | john smith |
Title:
1983 australian drivers' championship
Statement:
on 23 july at brisbane , queensland , alfred costanzo was the winner
Answer:
refuted