CREATE TABLE table_17321 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Series" TEXT)

Who had the high rebounds when the high assists were from J. Johnson (7)?
SELECT "High rebounds" FROM table_17321 WHERE "High assists" = 'J. Johnson (7)'
SELECT "High rebounds" FROM "table_17321" WHERE "High assists" = 'J. Johnson (7)'