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_20 (opening INTEGER, stadium VARCHAR, capacity VARCHAR)
### Question:
What is the average opening at Stadyum Samsun with a capacity smaller than 34,658?
### Answer:
SELECT AVG(opening) FROM table_name_20 WHERE stadium = "stadyum samsun" AND capacity < 34 OFFSET 658