user: Question: What character was the version 5.1 and had a greek capital letter archaic sampi?
Columns: ['Character', 'Code', 'Name', 'Version', 'Year']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Ͳ', 'U+0372', 'GREEK CAPITAL LETTER ARCHAIC SAMPI', 5.1, 2008.0]
SQL:

assistant: SELECT "Character" FROM "Table" WHERE "Version" = 5.1 AND "Name" = 'greek capital letter archaic sampi';