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:
| Name | Years | Gender | Area | Authority | Decile | Roll |
| --- | --- | --- | --- | --- | --- | --- |
| Broadfield School | 1–8 | Coed | Selwyn | State | 10.0 | 115.0 |
| Burnham School | 1–8 | Coed | Burnham | State | 9.0 | 128.0 |
| Clearview Primary School | 1–8 | Coed | Rolleston | State | 9.0 | 563.0 |
| Darfield High School | 7–13 | Coed | Darfield | State | 8.0 | 754.0 |
| Darfield School | 1–6 | Coed | Darfield | State | 7.0 | 221.0 |
| Dunsandel School | 1–6 | Coed | Leeston | State | 9.0 | 155.0 |
| Ellesmere College | 7–13 | Coed | Leeston | State | 8.0 | 488.0 |
| Glentunnel School | 1–6 | Coed | Glentunnel | State | 4.0 | 128.0 |
| Greendale School | 1–6 | Coed | Greendale | State | 9.0 | 31.0 |
| Greenpark School | 1–8 | Coed | Selwyn | State | 7.0 | 21.0 |
| Hororata School | 1–6 | Coed | Hororata | State | 8.0 | 54.0 |
| Kirwee Model School | 1–6 | Coed | Kirwee | State | 10.0 | 132.0 |
| Ladbrooks School | 1–8 | Coed | Taitapu | State | 10.0 | 106.0 |
| Leeston School | 1–6 | Coed | Leeston | State | 8.0 | 327.0 |
| Lincoln High School | 9–13 | Coed | Lincoln | State | 9.0 | 1508.0 |
| Lincoln Primary School | 1–8 | Coed | Lincoln | State | 10.0 | 408.0 |
| Prebbleton School | 1–8 | Coed | Prebbleton | State | 10.0 | 426.0 |
| Rolleston School | 1–8 | Coed | Rolleston | State | 9.0 | 694.0 |
| Sheffield Contributing School | 1–6 | Coed | Sheffield and Waddington | State | 7.0 | 80.0 |
| Southbridge School | 1–6 | Coed | Southbridge | State | 9.0 | 177.0 |
| Springfield School | 1–6 | Coed | Springfield | State | 6.0 | 35.0 |
| Springston School | 1–8 | Coed | Springston | State | 10.0 | 218.0 |
| Tai Tapu School | 1–8 | Coed | Taitapu | State | 9.0 | 297.0 |
| Weedons School | 1–8 | Coed | Weedons | State | 10.0 | 148.0 |
| West Melton School | 1–8 | Coed | West Melton | State | 10.0 | 341.0 |
| Windwhistle School | 1–6 | Coed | Darfield | State | 9.0 | 27.0 |
Question:
Which area has a Decile of 9, and a Roll of 31?
Answer:
Greendale