CREATE TABLE table_29922 ("Game" FLOAT, "Date" CLOB, "Team" CLOB, "Score" CLOB, "High points" CLOB, "High rebounds" CLOB, "High assists" CLOB, "Location Attendance" CLOB, "Record" CLOB)

For how many games on December 19 is there information on who scored the most rebounds?
SELECT COUNT("High rebounds") FROM table_29922 WHERE "Date" = 'December 19'
SELECT COUNT("High rebounds") FROM "table_29922" WHERE "Date" = 'December 19'