Table schema:
CREATE TABLE table_name_69 (champion VARCHAR, score VARCHAR, location VARCHAR, year VARCHAR)

Question: What is the Champion at Sopot prior to 2006 with a Score of 6–4, 6–7(7), 6–3?
SQL: SELECT champion FROM table_name_69 WHERE location = "sopot" AND year < 2006 AND score = "6–4, 6–7(7), 6–3"