CREATE TABLE table_66140 ("Name" TEXT, "Diameter  ( km ) " TEXT, "Perihelion  ( AU ) " FLOAT, "Aphelion  ( AU ) " FLOAT, "Year discovered" FLOAT, "Discoverer ( s ) " TEXT, "Type" TEXT)

Who was the discoverer of the object with an Aphelion above 97 in 2004?
SELECT "Discoverer(s)" FROM table_66140 WHERE "Aphelion (AU)" > '97' AND "Year discovered" = '2004'
SELECT "Discoverer(s)" FROM "table_66140" WHERE "Aphelion (AU)" > '97' AND "Year discovered" = '2004'