SCHEMA:
CREATE TABLE table_name_3 (party VARCHAR, incumbent VARCHAR, result VARCHAR, first_elected VARCHAR)
User Question:
What is the party of re-elected, incumbent Charles H. Grosvenor, who was first elected before 1894?


SELECT party FROM table_name_3 WHERE result = "re-elected" AND first_elected < 1894 AND incumbent = "charles h. grosvenor"