Write SQL query to solve given problem: Among the current legislators who served the term starting on 2013/1/3, how many of them are female?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(*) FROM current AS T1 INNER JOIN `current-terms` AS T2 ON T1.bioguide_id = T2.bioguide WHERE T2.start = '2013-01-03' AND T1.gender_bio = 'F'