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_27 ( written_by VARCHAR, season_no VARCHAR, series_no VARCHAR )

### Question ###
Who wrote the series number 49 with a season larger than 4?

### Accurate SQL ###

SELECT written_by FROM table_name_27 WHERE season_no > 4 AND series_no = 49