CREATE TABLE table_48256 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

Who was Silva's Partner in the Amarante Tournament played on a Hard Surface?
SELECT "Partner" FROM table_48256 WHERE "Surface" = 'hard' AND "Tournament" = 'amarante'
SELECT "Partner" FROM "table_48256" WHERE "Surface" = 'hard' AND "Tournament" = 'amarante'