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_13836704_7 (freight___metric_tonnes__ VARCHAR, transit_passengers VARCHAR)
### Question:
What are the total freights in metric tonnes when the total transit passengers is 147791?
### Answer:
SELECT freight___metric_tonnes__ FROM table_13836704_7 WHERE transit_passengers = 147791