SELECT "High rebounds" FROM table_47246 WHERE "Date" = 'april 9'
Who had the high rebounds, and how many did he have, for the game played on April 9?
CREATE TABLE table_47246 (
    "Game" real,
    "Date" text,
    "Team" text,
    "Score" text,
    "High points" text,
    "High rebounds" text,
    "High assists" text,
    "Location Attendance" text,
    "Record" text
)