Table: earthquakes_algeria
Columns: date
epicenter
magnitude
intensity
casualties

Question: How many casualties were in the earthquake with an unknown intensity and an epicenter in the bouïra province?
SQL: SELECT "casualties" FROM earthquakes_algeria WHERE "intensity" = 'unknown' AND "epicenter" = 'bouïra province'

Question: What is the magnitude of the earthquake with an epicenter in biskra province?
SQL: SELECT "magnitude" FROM earthquakes_algeria WHERE "epicenter" = 'biskra province'

Question: What is the epicenter of the earthquake on March 2, 1825 with an unknown intensity?
SQL: SELECT "epicenter" FROM earthquakes_algeria WHERE "intensity" = 'unknown' AND "date" = 'march 2, 1825'

Question: What is the epicenter on January 1, 1965?
SQL: SELECT "epicenter" FROM earthquakes_algeria WHERE "date" = 'january 1, 1965'