CREATE TABLE table_25858 ("Game" FLOAT, "Date" CLOB, "Team" CLOB, "Score" CLOB, "High points" CLOB, "High rebounds" CLOB, "High assists" CLOB, "Location Attendance" CLOB, "Series" CLOB)

Name the high rebounds for american airlines center 20,557
SELECT "High rebounds" FROM table_25858 WHERE "Location Attendance" = 'American Airlines Center 20,557'
SELECT "High rebounds" FROM "table_25858" WHERE "Location Attendance" = 'American Airlines Center 20,557'