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_47 (start_source VARCHAR, started VARCHAR)
### Question:
what is the start source when started on 2 february?
### Answer:
SELECT start_source FROM table_name_47 WHERE started = "2 february"