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 | Area | Authority | Decile | Roll |
| --- | --- | --- | --- | --- | --- |
| Awahono School - Grey Valley | 1–8 | Ahaura | State | 4 | 84 |
| Barrytown School | 1–8 | Barrytown | State | 4 | 19 |
| Blaketown School | 1–8 | Blaketown | State | 2 | 70 |
| Cobden School | 1–8 | Cobden | State | 2 | 150 |
| Gloriavale Christian Community School | 1–15 | Haupiri | Private | n/a | n/a |
| Greymouth High School | 9–15 | Greymouth | State | 4 | 637 |
| Greymouth Main School | 1–8 | Greymouth | State | 5 | 363 |
| John Paul II High School | 9–15 | Greymouth | State integrated | 4 | 157 |
| Karoro School | 1–8 | Karoro | State | 8 | 158 |
| Lake Brunner School | 1–8 | Moana | State | 7 | 52 |
| Paparoa Range School | 1–8 | Dobson | State | 3 | 124 |
| Paroa School | 1–8 | Paroa | State | 6 | 156 |
| Runanga School | 1–8 | Runanga | State | 3 | 98 |
| St Patrick's School | 1–8 | Greymouth | State integrated | 5 | 115 |
Question:
Which is the Authority that has a Roll of 70?
Answer:
State