[currentCities addObject:city];

if (sqlite3_prepare_v2(db, sql, -1, &statement, NULL) == SQLITE_OK){
    	// We need to keep track of the state we are on
    	NSString *state = @"none";
    	NSMutableArray *currentCities = [NSMutableArray alloc];

    	// We "step" through the results - once for each row
    	while (sqlite3_step(statement) == SQLITE_ROW){
    		// The second parameter indicates the column index into the result set.
    		int primaryKey = sqlite3_column_int(statement, 0);
    		City *city = [[City alloc] initWithPrimaryKey:primaryKey database:db];

    		if (![state isEqualToString:city.state])
    		{
    			// We switched states
    			state = [[NSString alloc] initWithString:city.state];

    			// Add the old array to the states array
    			[self.states addObject:currentCities];

    			// set up a new cities array
    			currentCities = [NSMutableArray init];
    		}

    		[currentCities addObject:city];
    		[city release];
    	}
    }

// set up a new cities array
currentCities = [NSMutableArray init];

// set up a new cities array
[currentCities init];

NSMutableArray *currentCities = [[NSMutableArray alloc] init];