Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_43 (period VARCHAR, built VARCHAR, model VARCHAR)
### Question:
Between which years were there 241 fokker 70 model cabins built?
### Answer:
SELECT period FROM table_name_43 WHERE built < 241 AND model = "fokker 70"