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_69 (date_s__conducted VARCHAR, plaid_cymru VARCHAR)

### Question ###
Tell me the dates conducted for plaid cymru of 19%

### Accurate SQL ###

SELECT date_s__conducted FROM table_name_69 WHERE plaid_cymru = "19%"