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:
| race title | circuit | city / state | date | winner | team |
| launceston | symmons plains raceway | launceston , tasmania | 1 mar | dick johnson | dick johnson racing |
| calder | calder park raceway | melbourne , victoria | 15 mar | peter brock | holden dealer team |
| oran park | oran park raceway | sydney , new south wales | 22 mar | dick johnson | dick johnson racing |
| sandown | sandown raceway | melbourne , victoria | 12 apr | dick johnson | dick johnson racing |
| perth | wanneroo park | perth , western australia | 26 apr | peter brock | holden dealer team |
| adelaide | adelaide international raceway | adelaide , south australia | 3 may | peter brock | holden dealer team |
| surfers paradise | surfers paradise raceway | surfers paradise , queensland | 17 may | dick johnson | dick johnson racing |
| lakeside | lakeside international raceway | brisbane , queensland | 21 jun | dick johnson | dick johnson racing |
Title:
1981 australian touring car championship
Statement:
the championship was from 1 mar and the last one was on 21 jun
Answer:
supported