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:
| rd | name | pole position | fastest lap | winning driver | winning team | report |
| 1 | datsun twin 200 | johnny rutherford | unknown | johnny rutherford | chaparral | report |
| 2 | indianapolis 500 | johnny rutherford | unknown | johnny rutherford | chaparral | report |
| 3 | gould - rex mays 150 | gordon johncock | unknown | bobby unser | penske racing | report |
| 4 | true value 500 | bobby unser | unknown | bobby unser | penske racing | report |
| 5 | red roof inns 150 | al unser | unknown | johnny rutherford | chaparral | report |
| 6 | norton 200 | bobby unser | unknown | johnny rutherford | chaparral | report |
| 7 | kent oil 150 | al unser | unknown | bobby unser | penske racing | report |
| 8 | tony bettenhausen 200 | johnny rutherford | unknown | johnny rutherford | chaparral | report |
| 9 | california 500 | bobby unser | unknown | bobby unser | penske racing | report |
| 10 | gould grand prix 150 | mario andretti | unknown | mario andretti | penske racing | report |
| 11 | i copa mexico 150 | bobby unser | unknown | rick mears | penske racing | report |
Title:
1980 indycar season
Statement:
the fastest lap for the datsun twin 200 is unknown
Answer:
supported