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_64 (main_span_feet VARCHAR, name VARCHAR)
### Question:
What is the Main span of the Qincaobei Bridge
### Answer:
SELECT main_span_feet FROM table_name_64 WHERE name = "qincaobei bridge"