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 order_items (order_item_id VARCHAR, product_id VARCHAR)
### Question:
Find the ids of all the order items whose product id is 11.
### Answer:
SELECT order_item_id FROM order_items WHERE product_id = 11