CREATE TABLE table_29888 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

What are the high rebounds in the jamal crawford (20) high points?
SELECT "High rebounds" FROM table_29888 WHERE "High points" = 'Jamal Crawford (20)'
SELECT "High rebounds" FROM "table_29888" WHERE "High points" = 'Jamal Crawford (20)'