CREATE TABLE table_53445 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the home team when Carlton was the away team?
SELECT "Home team" FROM table_53445 WHERE "Away team" = 'carlton'
SELECT "Home team" FROM "table_53445" WHERE "Away team" = 'carlton'