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 |
| --- | --- | --- | --- | --- | --- | --- |
| Akitio School | 1–8 | Coed | Dannevirke | State | 10.0 | 7.0 |
| Alfredton School | 1–8 | Coed | Eketahuna | State | 9.0 | 44.0 |
| Ballance School | 1–8 | Coed | Pahiatua | State | 6.0 | 28.0 |
| Dannevirke High School | 9–13 | Coed | Dannevirke | State | 4.0 | 476.0 |
| Dannevirke South School | 1–8 | Coed | Dannevirke | State | 5.0 | 347.0 |
| Eketahuna School | 1–8 | Coed | Eketahuna | State | 5.0 | 91.0 |
| Hillcrest School | 1–8 | Coed | Pahiatua | State | 2.0 | 46.0 |
| Huia Range School | 1–8 | Coed | Dannevirke | State | 3.0 | 246.0 |
| Kumeroa-Hopelands School | 1–8 | Coed | Woodville | State | 4.0 | 63.0 |
| Makuri School | 1–8 | Coed | Makuri | State | 5.0 | 7.0 |
| Mangamaire Country School | 1–8 | Coed | Mangamaire | State | 9.0 | 29.0 |
| Mangatainoka School | 1–8 | Coed | Mangatainoka | State | 5.0 | 63.0 |
| Norsewood and Districts School | 1–8 | Coed | Norsewood | State | 6.0 | 113.0 |
| Pahiatua School | 1–8 | Coed | Pahiatua | State | 3.0 | 259.0 |
| Papatawa School | 1–8 | Coed | Woodville | State | 7.0 | 13.0 |
| Pongaroa School | 1–8 | Coed | Pongaroa | State | 6.0 | 59.0 |
| Ruahine School | 1–8 | Coed | Dannevirke | State | 6.0 | 176.0 |
| St Anthony's School | 1–8 | Coed | Pahiatua | State integrated | 6.0 | 141.0 |
| St Joseph's School | 1–8 | Coed | Dannevirke | State integrated | 5.0 | 103.0 |
| Tararua College | 9–13 | Coed | Pahiatua | State | 4.0 | 330.0 |
| TKKM o Tamaki Nui A Rua | 1–13 | Coed | Dannevirke | State | 2.0 | 73.0 |
| Totara College of Accelerated Learning | 1–13 | Coed | Dannevirke | State integrated | 3.0 | 47.0 |
| Weber School | 1–8 | Coed | Weber | State | 7.0 | 64.0 |
| Woodville School | 1–8 | Coed | Woodville | State | 3.0 | 143.0 |
Question:
Name the authority when the decile is 6 for pongaroa school
Answer:
State