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:
| home team | home team score | away team | away team score | venue | crowd | date |
| north melbourne | 7.13 (55) | hawthorn | 16.19 (115) | arden street oval | 8160 | 4 july 1981 |
| fitzroy | 8.13 (61) | essendon | 11.14 (80) | junction oval | 18374 | 4 july 1981 |
| carlton | 6.14 (50) | st kilda | 5.5 (35) | vfl park | 21579 | 4 july 1981 |
| geelong | 12.10 (82) | richmond | 8.4 (52) | kardinia park | 26635 | 11 july 1981 |
| footscray | 7.9 (51) | south melbourne | 17.12 (114) | western oval | 10478 | 11 july 1981 |
| melbourne | 10.6 (66) | collingwood | 12.16 (88) | mcg | 30803 | 11 july 1981 |
Title:
1981 vfl season
Statement:
when the away team was essendon , the crowd size on 4 july 1981 was 18374
Answer:
supported