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_25209 ( "District name" text, "Dist. ID" real, "ISD" text, "County" text, "Authorizing agency" text, "Date opened" text, "Services" text )

### Question ###
What is the date opened if thedistrict ID is 11901?

### Accurate SQL ###

SELECT "Date opened" FROM table_25209 WHERE "Dist. ID" = '11901'