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_17794 ( "Year" real, "Road Opened" text, "Road Closed" text, "Freight Carried s Tonne" real, "Super B Capacity Reached [ citation needed ]" text, "Number of Truck Loads North" real )

### Question ###
What is the least amount of freight carried when the super b capacity reached was February 26?

### Accurate SQL ###

SELECT MIN("Freight Carried s Tonne") FROM table_17794 WHERE "Super B Capacity Reached [ citation needed ]" = 'February 26'