CREATE TABLE table_2687 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

Name the number of high rebounds for united center 19,335
SELECT COUNT("High rebounds") FROM table_2687 WHERE "Location Attendance" = 'United Center 19,335'
SELECT COUNT("High rebounds") FROM "table_2687" WHERE "Location Attendance" = 'United Center 19,335'