user: Question: Which representative has a birthday of January 31, 1866?
Columns: ['Begin Date', 'End Date', 'Representative', 'Date of birth', 'House term', 'State served', 'Party', 'Age (years, days)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['March 4, 1789', 'July 23, 1793', 'Roger Sherman', 'April 19, 1721', '1789-1791', 'Connecticut', 'Pro-Administration', '72years, 95days']
SQL:

assistant: SELECT "Representative" FROM "Table" WHERE "Date of birth" = 'January 31, 1866';