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 | length | race name | track | location | pole position | winning driver |
| 1 | march 18 | jimmy bryan 150 | - | phoenix international raceway | avondale , arizona | bobby unser | bobby unser |
| 2 | april 23 | trentonian 200 | - | trenton international speedway | trenton , new jersey | bobby unser | gary bettenhausen |
| 3 | may 27 | international 500 mile sweepstakes | - | indianapolis motor speedway | speedway , indiana | bobby unser | mark donohue |
| 4 | june 4 | rex mays classic | - | wisconsin state fair park speedway | west allis , wisconsin | bobby unser | bobby unser |
| 5 | july 16 | michigan 200 | - | michigan international speedway | brooklyn , michigan | bobby unser | joe leonard |
| 6 | july 29 | schaefer 500 | - | pocono international raceway | long pond , pennsylvania | bobby unser | joe leonard |
| 7 | august 13 | tony bettenhausen 200 | - | wisconsin state fair park speedway | west allis , wisconsin | mario andretti | joe leonard |
| 8 | september 3 | california 500 | - | ontario motor speedway | ontario , california | jerry grant | roger mccluskey |
| 9 | september 24 | trenton 300 | - | trenton international speedway | trenton , new jersey | bobby unser | bobby unser |
Title:
1972 usac championship car season
Statement:
phoenix international raceway hosted round 1
Answer:
supported