Table: victoria_county_nb
Columns: official_name
status
area_km_2
population
census_ranking

Question: What is the census ranking for the Perth parish?
SQL: SELECT "census_ranking" FROM victoria_county_nb WHERE "official_name" = 'Perth'

Question: What is the minimum population of the parish with a 750.51 km area?
SQL: SELECT MIN("population") FROM victoria_county_nb WHERE "area_km_2" = '750.51'

Question: What is the census ranking of the Perth parish?
SQL: SELECT "census_ranking" FROM victoria_county_nb WHERE "official_name" = 'Perth'