CREATE TABLE table_46641 ("Tournament" TEXT, "Surface" TEXT, "Week" TEXT, "Winners" TEXT, "Finalists" TEXT, "Semifinalists" TEXT)

What is Semifinalists, when Tournament is Rome
SELECT "Semifinalists" FROM table_46641 WHERE "Tournament" = 'rome'
SELECT "Semifinalists" FROM "table_46641" WHERE "Tournament" = 'rome'