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_50 (season VARCHAR, club VARCHAR, round VARCHAR)
### Question:
Which season has the Werder Bremen Club and is in Round 2r?
### Answer:
SELECT season FROM table_name_50 WHERE club = "werder bremen" AND round = "2r"