user: Question: When did the home team score 14.22 (106)?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Collingwood', '14.12 (96)', 'Hawthorn', '15.11 (101)', 'Victoria Park', 29885.0, '6 May 1972']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Home team score" = '14.22 (106)';