Ruby on Rails

Hi there!
Im new on ruby/rails, and im tying to run the rake task below but I
got an error. After I tested on script/console and I got the same
error. Could you helpe me, please?

Thanks!
Pedro

Rake Task:

namespace :meuApp do
desc 'Update geotable with longitude and latitude information'
task :add_geotable_coordinates => :environment do
include GeoKit::Geocoders
geotable = Geotable.find_by_sql(["SELECT * FROM geotable WHERE
ADDRESS IS NOT NULL"])
begin
geotable.each { |geotable|
loc = MultiGeocoder.geocode(geotable.address)
geotable.lat = loc.lat
geotable.lng = loc.lng
geotable.update
puts "updated cartcid #{geotable.NOME}
#{geotable.address} =>
[#{loc.lat}, #{loc.lng}]"
}
rescue
puts $!
end
end
end

The script/console test:

>>Geotable.find_by_sql(["SELECT * FROM geotable WHERE ADDRESS IS NOT
NULL"])
....
.... data retrieved ommited
......
>> @geotable.address

NoMethodError: undefined method `address' for #<Array:0x4712fa0>
from (irb):27

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