user: Question: Who was the discoverer of the object with an Aphelion above 97 in 2004?
Columns: ['Name', 'Diameter (km)', 'Perihelion (AU)', 'Aphelion (AU)', 'Year discovered', 'Discoverer(s)', 'Type']
Types: ['text', 'text', 'real', 'real', 'real', 'text', 'text']
Sample row: ['Sedna', '995–1600', 76.1, 975.5, 2003.0, 'Brown , Trujillo , Rabinowitz', 'detached (arxiv.org)']
SQL:

assistant: SELECT "Discoverer(s)" FROM "Table" WHERE "Aphelion (AU)" > 97.0 AND "Year discovered" = 2004.0;