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_2 (duration VARCHAR, character VARCHAR)
### Question:
How many years did the soap opera run in which the character Clemens Richter was included?
### Answer:
SELECT duration FROM table_name_2 WHERE character = "clemens richter"