user: Question: On what date did Lori McNeil play as a partner with a score of 6–7(6), 5–7?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 'August 4, 1986', 'Montreal', 'Hard', 'Gabriela Sabatini', 'Pam Shriver Helena Suková', '7–6(2), 5–7, 6–4']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Partner" = 'Lori McNeil' AND "Score" = '6–7(6), 5–7';