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 (cell_type VARCHAR, conduction_speed__m_s_ VARCHAR)

### Question ###
Which cell type has a conduction speed of 35?

### Accurate SQL ###

SELECT cell_type FROM table_name_15 WHERE conduction_speed__m_s_ = "35"