CREATE TABLE table_48258 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

On what Date was the match with partner Kira Nagy?
SELECT "Date" FROM table_48258 WHERE "Partner" = 'kira nagy'
SELECT "Date" FROM "table_48258" WHERE "Partner" = 'kira nagy'