Among the legislators who started a term on 2nd December 1793, how many of them were males?
started a term on 2nd December 1793 refers to start = '1793-12-02'; male refers to gender_bio = 'M'
SELECT COUNT(T1.bioguide_id) FROM historical AS T1 INNER JOIN `historical-terms` AS T2 ON T1.bioguide_id = T2.bioguide WHERE T1.gender_bio = 'M' AND T2.start = '1793-12-02'