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_35 (gross_tonnage INTEGER, delivery_date VARCHAR)
### Question:
with delivery date of 2001 2001 what is gross tonnage?
### Answer:
SELECT AVG(gross_tonnage) FROM table_name_35 WHERE delivery_date = "2001 2001"