CREATE TABLE table_9215 ("Tournament" TEXT, "Surface" TEXT, "Week" TEXT, "Winner and score" TEXT, "Finalist" TEXT, "Semifinalists" TEXT)

what is the semifinalists when the surface is hard (i)?
SELECT "Semifinalists" FROM table_9215 WHERE "Surface" = 'hard (i)'
SELECT "Semifinalists" FROM "table_9215" WHERE "Surface" = 'hard (i)'