Table:
text: List of schools in the Canterbury Region
Ashburton District
Ashburton District
Name_ Years Gender Area Authority Decile Roll
Allenton School 1–6 Coed Ashburton State 8 343
Ashburton Borough School 1–8 Coed Ashburton State 7 371
Ashburton Christian School 1–8 Coed Elgin State integrated 10 89
Ashburton College 9–13 Coed Ashburton State 7 1154
Ashburton Intermediate 7–8 Coed Ashburton State 6 395
Ashburton Netherby School 1–6 Coed Netherby State 3 139
Carew Peel Forest School 1–6 Coed Carew State 10 70
Chertsey School 1–6 Coed Chertsey State 6 23
Dorie School 1–8 Coed Rakaia State 9 49
Fairton School 1–6 Coed Ashburton State 6 35
Hampstead School 1–6 Coed Ashburton State 4 327

text: List of schools in the Canterbury Region
Ashburton District
Ashburton District
Name_ Years Gender Area Authority Decile Roll
Hinds School 1–8 Coed Hinds State 9 141
Lauriston School 1–6 Coed Lauriston State 9 85
Longbeach School 1–8 Coed Willowby State 9 147
Mayfield School 1–8 Coed Mayfield State 9 59
Methven School 1–6 Coed Methven State 9 231
Mount Hutt College 7–13 Coed Methven State 8 480
Mt Somers Springburn School 1–8 Coed Mount Somers State 10 87
Our Lady of Snows School 1–8 Coed Methven State integrated 10 71
Rakaia School 1–8 Coed Rakaia State 4 160
St Joseph`s School 1–8 Coed Ashburton State integrated 8 229
Tinwald School 1–6 Coed Tinwald State 6 236
Wakanui School 1–8 Coed Ashburton State 8 80

Question: List of schools in the Canterbury area: Ashburton District. What is the largest litter with years 1-8, a Dory school name and a decile greater than 9?

Question: How many deciles have years 1-8 and a role of 49 for the list of schools in Ashburton Borough of Canterbury Region?

Question: How many deciles have a state authority and name of Chertsey school in list of schools in Ashburton district of Canterbury region?