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:
| rnd | date | race name | length | track | location | pole position | winning driver |
| 1 | march 14 | jimmy bryan 150 | - | phoenix international raceway | avondale , arizona | al unser | bobby unser |
| 2 | may 2 | trenton 200 | - | trenton international speedway | trenton , new jersey | a j foyt | johnny rutherford |
| 3 | may 30 | international 500 mile sweepstakes | - | indianapolis motor speedway | speedway , indiana | johnny rutherford | johnny rutherford |
| 4 | june 13 | rex mays classic | - | wisconsin state fair park speedway | west allis , wisconsin | gordon johncock | mike mosley |
| 5 | june 27 | schaefer 500 | - | pocono international raceway | long pond , pennsylvania | johnny parsons | al unser |
| 6 | july 18 | norton twin 200s | - | michigan international speedway | brooklyn , michigan | a j foyt | gordon johncock |
| 7 | august 1 | texas 150 | - | texas world speedway | college station , texas | a j foyt | a j foyt |
| 8 | august 15 | trenton 200 | - | trenton international speedway | trenton , new jersey | a j foyt | gordon johncock |
| 9 | august 22 | tony bettenhausen 200 | - | wisconsin state fair park speedway | west allis , wisconsin | johnny rutherford | al unser |
| 10 | september 5 | california 500 | - | ontario motor speedway | ontario , california | a j foyt | bobby unser |
| 11 | september 18 | michigan 150 | - | michigan international speedway | brooklyn , michigan | a j foyt | a j foyt |
| 12 | october 31 | benihana world series of auto racing | - | texas world speedway | college station , texas | a j foyt | johnny rutherford |
Title:
1976 usac championship car season
Statement:
bobby unser won at michigan international speedway in ninth round
Answer:
refuted