CREATE TABLE table_66980 ("Name" CLOB, "Years" CLOB, "Gender" CLOB, "Area" CLOB, "Authority" CLOB, "Decile" FLOAT, "Roll" FLOAT)

Name the years for dannevirke south school
SELECT "Years" FROM table_66980 WHERE "Name" = 'dannevirke south school'
SELECT "Years" FROM "table_66980" WHERE "Name" = 'dannevirke south school'