How many different values if the number is high rebounds can be found for the game on March 13?
{'header': ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record'], 'page_title': '1992–93 Phoenix Suns season', 'section_title': 'Game log', 'caption': 'Game log', 'rows': [['53', 'March 2', '@ Portland', 'L 97–102', 'Charles Barkley , Dan Majerle (20)', 'Charles Barkley (12)', 'Dan Majerle (7)', 'Memorial Coliseum 12,888', '40–13'], ['54', 'March 3', 'Philadelphia', 'W 125–115', 'Charles Barkley (36)', 'Charles Barkley (17)', 'Charles Barkley (9)', 'America West Arena 19,023', '41–13'], ['55', 'March 5', 'Sacramento', 'W 130–122', 'Charles Barkley (32)', 'Mark West (12)', 'Kevin Johnson (6)', 'America West Arena 19,023', '42–13'], ['56', 'March 6', '@ Dallas', 'W 109–102', 'Kevin Johnson (28)', 'Charles Barkley (15)', 'Kevin Johnson (7)', 'Reunion Arena 17,502', '43–13'], ['57', 'March 9', '@ Sacramento', 'W 128–108', 'Cedric Ceballos (40)', 'Cedric Ceballos (12)', 'Kevin Johnson (12)', 'ARCO Arena 17,317', '44–13'], ['58', 'March 10', 'Golden State', 'W 111–100', 'Charles Barkley (30)', 'Mark West (13)', 'Kevin Johnson (8)', 'America West Arena 19,023', '45–13'], ['59', 'March 12', 'Dallas', 'W 116–98', 'Cedric Ceballos (24)', 'Charles Barkley , Cedric Ceballos (9)', 'Kevin Johnson (9)', 'America West Arena 19,023', '46–13'], ['60', 'March 13', 'New Jersey', 'L 93–124', 'Kevin Johnson (23)', 'Cedric Ceballos , Tom Chambers , Jerrod Mustaf (7)', 'Kevin Johnson (6)', 'America West Arena 19,023', '46–14'], ['61', 'March 17', 'Portland', 'W 129–111', 'Cedric Ceballos , Tom Chambers (24)', 'Cedric Ceballos (14)', 'Kevin Johnson (14)', 'America West Arena 19,023', '47–14'], ['62', 'March 19', 'Detroit', 'W 127–97', 'Danny Ainge (23)', 'Charles Barkley (16)', 'Dan Majerle (9)', 'America West Arena 19,023', '48–14'], ['63', 'March 21', 'Indiana', 'L 108–109', 'Charles Barkley (38)', 'Charles Barkley , Mark West (9)', 'Kevin Johnson (11)', 'America West Arena 19,023', '48–15'], ['64', 'March 23', 'New York', 'W 121–92', 'Charles Barkley (31)', 'Cedric Ceballos (12)', 'Frank Johnson (7)', 'America West Arena 19,023', '49–15'], ['65', 'March 24', '@ L.A. Lakers', 'W 120–105', 'Charles Barkley (33)', 'Charles Barkley (12)', 'Charles Barkley (8)', 'Great Western Forum 17,505', '50–15'], ['66', 'March 26', 'Milwaukee', 'W 109–103', 'Charles Barkley (31)', 'Charles Barkley (15)', 'Frank Johnson (8)', 'America West Arena 19,023', '51–15'], ['67', 'March 28', '@ Philadelphia', 'W 110–100', 'Charles Barkley (35)', 'Cedric Ceballos (15)', 'Kevin Johnson (8)', 'The Spectrum 18,168', '52–15']]}