For which state did current legislator Sherrod Brown serve during his term that started on 1993/1/5?
Sherrod Brown is an full official name; started on 1993/1/5 refers to start = '1993-01-05';
SELECT T1.state FROM `current-terms` AS T1 INNER JOIN current AS T2 ON T2.bioguide_id = T1.bioguide WHERE T1.start = '1993-01-05' AND T2.official_full_name = 'Sherrod Brown'