CREATE TABLE table_49046 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Location" TEXT, "Record" TEXT)

What was the highest game number when the opponent was the Miami Heat?
SELECT MAX("Game") FROM table_49046 WHERE "Opponent" = 'miami heat'
SELECT MAX("Game") FROM "table_49046" WHERE "Opponent" = 'miami heat'