CREATE TABLE table_70437 ("Name" TEXT, "Years" TEXT, "Gender" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT, "Roll" FLOAT)

Which school in Balclutha has a roll smaller than 55?
SELECT "Name" FROM table_70437 WHERE "Area" = 'balclutha' AND "Roll" < '55'
SELECT "Name" FROM "table_70437" WHERE "Area" = 'balclutha' AND "Roll" < '55'