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_7 (year VARCHAR, gen_secretary VARCHAR)
### Question:
Which year has a Gen.-Secretary of silvana jansen?
### Answer:
SELECT year FROM table_name_7 WHERE gen_secretary = "silvana jansen"