SELECT party FROM table_name_3 WHERE result = "re-elected" AND first_elected < 1894 AND incumbent = "charles h. grosvenor"
Apa partai yang terpilih kembali, petahana Charles H. Grosvenor, yang pertama kali terpilih sebelum 1894?
CREATE TABLE table_name_3 (party VARCHAR, incumbent VARCHAR, result VARCHAR, first_elected VARCHAR)