user: Question: When did the away team score 12.14 (86)?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Melbourne', '14.23 (107)', 'North Melbourne', '5.15 (45)', 'MCG', 16103.0, '22 August 1936']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Away team score" = '12.14 (86)';