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 |
| --- | --- | --- | --- | --- |
| Japan 'B' | 7.0 | 10/05/1979 | Tokyo | Tour Match |
| Japan | 19.0 | 13/05/1979 | Kintetsu Hanazono Stadium , Osaka | First 'Test' |
| Kyūshū | 3.0 | 16/05/1979 | Fukuoka | Tour Match |
| Japan | 18.0 | 20/05/1979 | Olympic Stadium , Tokyo | Second 'Test' |
| Fiji Juniors | 22.0 | 25/05/1979 | Lautoka | Tour Match |
| Fiji | 7.0 | 29/05/1979 | National Stadium , Suva | 'Test' Match |
| Tonga | 17.0 | 01/06/1979 | Teufaiva Sport Stadium , Nuku ʻ alofa | 'Test' Match |
Question:
Which Opposing Team has an Against smaller than 19, and a Date of 20/05/1979?
Answer:
Japan