SCHEMA:
CREATE TABLE table_name_69 (date VARCHAR, edition VARCHAR, result VARCHAR)
USER:
What date was the 1988 world group i edition with a result of 7–6 (7–5) , 6–3?

QUERY:
SELECT date FROM table_name_69 WHERE edition = "1988 world group i" AND result = "7–6 (7–5) , 6–3"