Question: What years does Kakahi School, with a decile of 3, have?
SQL: SELECT "Years" FROM "2-12197750-1" WHERE "Decile" = 3.0 AND "Name" = 'Kakahi School';

Question: What is the average decile of Ruapehu College, which has a State authority?
SQL: SELECT AVG("Decile") FROM "2-12197750-1" WHERE "Authority" = 'State' AND "Name" = 'Ruapehu College';

Question: What is the roll number of orautoha school in raetihi, which has a decile smaller than 8?
SQL: SELECT SUM("Roll") FROM "2-12197750-1" WHERE "Area" = 'raetihi' AND "Name" = 'orautoha school' AND "Decile" < 8.0;