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_1939405_2 (_percentage_2001 VARCHAR, _percentage_2011 VARCHAR)

### Question ###
What are the percentages in 2001 in all the provinces where the percentage in 2011 is 0.2%?

### Accurate SQL ###

SELECT _percentage_2001 FROM table_1939405_2 WHERE _percentage_2011 = "0.2%"