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_29 (location VARCHAR, length___m__ VARCHAR)
### Question:
Where is the longest arch with a length in meters of 64.2?
### Answer:
SELECT location FROM table_name_29 WHERE length___m__ = "64.2"