CREATE TABLE table_75828 ("Season" CLOB, "Competition" CLOB, "Round" CLOB, "Opponent" CLOB, "Home" CLOB, "Away" CLOB, "Series" CLOB)

Which Home has a Round of r1, and an Opponent of dundee united?
SELECT "Home" FROM table_75828 WHERE "Round" = 'r1' AND "Opponent" = 'dundee united'
SELECT "Home" FROM "table_75828" WHERE "Opponent" = 'dundee united' AND "Round" = 'r1'