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_12791809_1 ( super_b_capacity_reached_ VARCHAR, _citation_needed_ VARCHAR, number_of_truck_loads_north VARCHAR )

### Question ###
When was the Super B capacity reached when the number of truck loads north was 7735?

### Accurate SQL ###

SELECT super_b_capacity_reached_ AS "_citation_needed_" FROM table_12791809_1 WHERE number_of_truck_loads_north = 7735