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_63 (win_percentage INTEGER, games_behind VARCHAR, wins VARCHAR)
### Question:
What is the lowest percentage of wins for 6½ games and more than 77 total wins?
### Answer:
SELECT MIN(win_percentage) FROM table_name_63 WHERE games_behind = "6½" AND wins > 77