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 |
| --- | --- | --- | --- | --- |
| San Isidro Club | 14.0 | 16/05/1981 | Buenos Aires | Tour Match |
| Northern Region XV | 12.0 | 19/05/1981 | Córdoba | Tour Match |
| Buenos Aires Selection | 25.0 | 23/05/1981 | Buenos Aires | Tour Match |
| Southern Region XV | 3.0 | 25/05/1981 | Mar del Plata | Tour Match |
| Argentina | 19.0 | 30/05/1981 | Ferrocarril Stadium , Buenos Aires | First Test |
| Litoral Region XV | 21.0 | 02/06/1981 | Rosario | Tour Match |
| Argentina | 6.0 | 06/06/1981 | Ferrocarril Stadium , Buenos Aires | Second Test |
Question:
Which Against has a Date of 30/05/1981?
Answer:
1.0