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 |
| --- | --- | --- | --- | --- |
| Natal | 0.0 | May 17,1972 | Durban | Tour match |
| Western Province | 6.0 | May 20,1972 | Cape Town | Tour match |
| SA Rugby Fed XV | 6.0 | May 22,1972 | Cape Town | Tour match |
| SA Leopards | 3.0 | May 24,1972 | Port Elizabeth | Tour match |
| Northern Transvaal | 13.0 | May 27,1972 | Pretoria | Tour match |
| Giqualand West | 21.0 | May 30,1972 | Kimberley | Tour match |
| South Africa | 9.0 | June 3,1972 | Ellis Park , Johannesburg | Test Match |
Question:
What is date when against is smaller than 6 and location was durban?
Answer:
May 17,1972