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_43 (gain INTEGER, avg_g VARCHAR, loss VARCHAR)
### Question:
What are the gains for the player with average of 26.8 and lost yard fewer than 13?
### Answer:
SELECT SUM(gain) FROM table_name_43 WHERE avg_g = "26.8" AND loss < 13