user: Question: What was the Reign of the person whose Date of Birth was 22 March 1459?
Columns: ['Name', 'Date of birth', 'Date of death', 'Reign', 'Relationship with predecessor']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['John the Fearless', '28 May 1371', '10 September 1419', '16/21 March 1405 to 10 September 1419', 'their son']
SQL:

assistant: SELECT "Reign" FROM "Table" WHERE "Date of birth" = '22 March 1459';