CREATE TABLE table_37815 ("Week of" TEXT, "Tournament" TEXT, "Champions" TEXT, "Runners-up" TEXT, "Semifinalists" TEXT)

Which Semifinalists has a Champions of michael chang 6-0 6-4?
SELECT "Semifinalists" FROM table_37815 WHERE "Champions" = 'michael chang 6-0 6-4'
SELECT "Semifinalists" FROM "table_37815" WHERE "Champions" = 'michael chang 6-0 6-4'