The Canadian Joint Operations Command is an operational element established in October 2012 with the merger of Canada Command, the Canadian Expeditionary Force Command and the Canadian Operational Support Command. The new command, created as a response to the cost-cutting measures in the 2012 federal budget, combines the resources, roles and responsibilities of the three former commands under a single headquarters.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When was the non-Canadian Joint Operations Command established?
Ah, so.. unanswerable

Luminous efficacy of a light source may be defined in two ways. The radiant luminous efficacy (LER) is the ratio of the visible light flux emitted (the luminous flux) to the total power radiated over all wavelengths. The source luminous efficacy (LES) is the ratio of the visible light flux emitted (the luminous flux) to the total power input to the source, such as a lamp. Visible light is measured in lumens, a unit which is defined in part by the differing sensitivity of the human eye to different wavelengths of light. Not all wavelengths of visible electromagnetic energy are equally effective at stimulating the human eye; the luminous efficacy of radiant energy (LER) is a measure of how well the distribution of energy matches the perception of the eye. The units of luminous efficacy are "lumens per watt" (lpw). The maximum LER possible is 683 lm/W for monochromatic green light at 555 nanometers wavelength, the peak sensitivity of the human eye.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What does the acronym LES refer to?
Ah, so.. source luminous efficacy

Its average annual temperature is 18.4 C (65.1 F). 22.8 C (73.0 F) during the day and 13.8 C (56.8 F) at night. In the coldest month January, the maximum temperature typically during the day ranges from 13 to 21 C (55 to 70 F), the minimum temperature typically at night ranges from 4 to 12 C (39 to 54 F). In the warmest month August, the maximum temperature during the day typically ranges from 2834 C (8293 F), about 23 C (73 F) at night. Generally, temperatures similar to those experienced in the northern part of Europe in summer last about 8 months, from April to November. March is transitional, the temperature often exceeds 20 C (68 F), with an average temperature of 19.0 C (66 F) during the day and 10.0 C (50 F) at night. December, January and February are the coldest months, with average temperatures around 17 C (63 F) during the day and 7 C (45 F) at night. Valencia has one of the mildest winters in Europe, owing to its southern location on the Mediterranean Sea and the Foehn phenomenon. The January average is comparable to temperatures expected for May and September in the major cities of northern Europe.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Which month is the chilliest in Valencia?
Ah, so..
January