CREATE TABLE table_25209 ("District name" TEXT, "Dist. ID" FLOAT, "ISD" TEXT, "County" TEXT, "Authorizing agency" TEXT, "Date opened" TEXT, "Services" TEXT)

What is the date opened if thedistrict ID is 11901?
SELECT "Date opened" FROM table_25209 WHERE "Dist. ID" = '11901'
SELECT "Date opened" FROM "table_25209" WHERE "Dist. ID" = '11901'