Table: road_network_tamil_nadu
Columns: sl_no
category_wise
single_lane
intermediate_lane
double_lane
multi_lane
total

Question: What is every category wise when the multi lane is 677?
SQL: SELECT "category_wise" FROM road_network_tamil_nadu WHERE "multi_lane" = 677

Question: What is the highest value for multi lane if category wise is major district roads?
SQL: SELECT MAX("multi_lane") FROM road_network_tamil_nadu WHERE "category_wise" = 'Major district roads'

Question: What is the least total?
SQL: SELECT MIN("total") FROM road_network_tamil_nadu