What Tunnel has an Imperial Length of 307 yd?
CREATE TABLE table_name_38 (tunnel VARCHAR, length__imperial_ VARCHAR)
SELECT tunnel FROM table_name_38 WHERE length__imperial_ = "307 yd"
### Context: CREATE TABLE table_name_38 (tunnel VARCHAR, length__imperial_ VARCHAR) ### Question: What Tunnel has an Imperial Length of 307 yd? ### Answer: SELECT tunnel FROM table_name_38 WHERE length__imperial_ = "307 yd"