Table: rivers_state_local_govt
Columns: lga_name
area_km_2
census_2006_population
administrative_capital
postal_code

Question: How many areas (km 2) have 151511 as the census 2006 population?
SQL: SELECT COUNT("area_km_2") FROM rivers_state_local_govt WHERE "census_2006_population" = 151511

Question: What is the LGA name where the 2006 census population is bigger than 425208.9417698913 and administrative capital is port harcourt?
SQL: SELECT "lga_name" FROM rivers_state_local_govt WHERE "census_2006_population" > 425208.9417698913 AND "administrative_capital" = 'Port Harcourt'

Question: What is the administrative capital of LGA name Akuku-Toru?
SQL: SELECT "administrative_capital" FROM rivers_state_local_govt WHERE "lga_name" = 'Akuku-Toru'

Question: What is the administrative capital that has a 2006 census population of 249425?
SQL: SELECT "administrative_capital" FROM rivers_state_local_govt WHERE "census_2006_population" = 249425

Question: What is the maximum 2006 census population of LGA name Opobo/Nkoro?
SQL: SELECT MAX("census_2006_population") FROM rivers_state_local_govt WHERE "lga_name" = 'Opobo/Nkoro'