CREATE TABLE table_63517 ("Year" FLOAT, "Home Team" CLOB, "Away Team" CLOB, "Winner" CLOB, "Score" CLOB)

who is the home team when the away team is rivercity rage?
SELECT "Home Team" FROM table_63517 WHERE "Away Team" = 'rivercity rage'
SELECT "Home Team" FROM "table_63517" WHERE "Away Team" = 'rivercity rage'