CREATE TABLE table_77091 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Nets points" FLOAT, "Opponents" FLOAT, "Record" TEXT, "Streak" TEXT)

How many opponents were there in a game higher than 20 on January 28?
SELECT "Opponents" FROM table_77091 WHERE "Game" > '20' AND "Date" = 'january 28'
SELECT "Opponents" FROM "table_77091" WHERE "Date" = 'january 28' AND "Game" > '20'