user: Question: When was the Lock with 10 caps born?
Columns: ['Player', 'Position', 'Date of Birth (Age)', 'Caps', 'Club/province']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Carl Hayman', 'Prop', '14 November 1979', 41.0, 'Otago']
SQL:

assistant: SELECT "Date of Birth (Age)" FROM "Table" WHERE "Position" = 'Lock' AND "Caps" = 10.0;