How many years did a French group of gunners led by Chevalier Milard participated to the Burmese invasions of Siam, as an elite corps of the Burmese army?
return a French group of   gunners led by Chevalier Milard participated to the  Burmese invasions of Siam as an elite corps of  the Burmese  army ;return years of   #1 ;return number of  #2
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