user: Question: Date for less than 122 countries and a 47% rank?
Columns: ['Overall ranking', 'Lat. Am. ranking', 'Countries surveyed', '% rank.', 'Date']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Free', '—', 195.0, '—', '2012/01']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Countries surveyed" < 122.0 AND "% rank." = '47';