By calculation (generator: ["now@trueknowledge.com"]) I know that:

The current time is April 25th 2014, 03:25:02

I know from locally stored knowledge that:

Riyadh
commonly translates as
"Riyadh"
([fact: ["1159251@trueknowledge.com"]])

Fact 1:
4,700,000
is the population of
Riyadh
([fact: ["361032203@trueknowledge.com"]])

Fact 1
is true for
2007 onwards
([fact: ["361032211@trueknowledge.com"]])

By calculation (generator: ["first_parameter@trueknowledge.com"]) I know that:

2007
is the first parameter of
2007 onwards

I know from locally stored knowledge that:

Fact 2:
4,465,000
is the population of
Riyadh
([fact: ["996866046@trueknowledge.com"]])

Fact 2
is true for
October 8th 2010 onwards
([fact: ["996866050@trueknowledge.com"]])

By calculation (generator: ["first_parameter@trueknowledge.com"]) I know that:

October 8th 2010
is the first parameter of
October 8th 2010 onwards

By calculation (generator: ["timepoint_difference@trueknowledge.com"]) I know that:

between 2 years and 10 months and 3 years and 9 months
is the length of time between the timepoints
2007 and October 8th 2010

2 months and 24 days
is the length of time between the timepoints
October 8th 2010 and January 1st 2011

By calculation (generator: ["parameteredtranslate2@trueknowledge.com"]) I know that:

4,451,176
commonly translates as
"4,451,176"

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

January 1st 2011
is strictly equal to
January 1st 2011

By calculation (generator: ["timepoint_common_translation@trueknowledge.com"]) I know that:

January 1st 2011
commonly translates as
"January 1st 2011"

By calculation (generator: ["parameteredtranslate2@trueknowledge.com"]) I know that:

4,700,000
commonly translates as
"4,700,000"

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

2007
is strictly equal to
2007

By calculation (generator: ["timepoint_common_translation@trueknowledge.com"]) I know that:

2007
commonly translates as
"2007"

By calculation (generator: ["parameteredtranslate2@trueknowledge.com"]) I know that:

4,465,000
commonly translates as
"4,465,000"

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

October 8th 2010
is strictly equal to
October 8th 2010

By calculation (generator: ["timepoint_common_translation@trueknowledge.com"]) I know that:

October 8th 2010
commonly translates as
"October 8th 2010"

By calculation (generator: ["population_description@trueknowledge.com"]) I know that:

Fact 3:
The population of Riyadh on January 1st 2011 was approximately 4,451,176. (Extrapolated from a population of 4,700,000 in 2007 and a population of 4,465,000 on October 8th 2010.)
is the population description of
Riyadh

Fact 3
is true at
2011