Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_15 (second_member VARCHAR, first_member VARCHAR, first_party VARCHAR, year VARCHAR)

### Question ###
Who is the second member ewarlier than 1804 when Tory Henry Isherwood is the first member?

### Accurate SQL ###

SELECT second_member FROM table_name_15 WHERE first_party = "tory" AND year < 1804 AND first_member = "henry isherwood"