Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Opposing Team | Against | Date | Venue | Status |
| --- | --- | --- | --- | --- |
| North Auckland | 14.0 | 18/05/1985 | Okara Park , Whangarei | Tour Match |
| Poverty Bay | 0.0 | 22/05/1985 | Rugby Park, Gisborne | Tour Match |
| Auckland | 24.0 | 25/05/1985 | Eden Park , Auckland | Tour Match |
| Otago | 16.0 | 28/05/1985 | Carisbrook , Dunedin | Tour Match |
| New Zealand | 18.0 | 01/06/1985 | Lancaster Park , Christchurch | First Test |
| Southland | 9.0 | 04/06/1985 | Homestead Stadium, Invercargill | Tour Match |
| New Zealand | 42.0 | 08/06/1985 | Athletic Park , Wellington | Second Test |
Question:
Which venue had an against score smaller than 18 when the opposing team was North Auckland?
Answer:
Okara Park , Whangarei