How many percent of Thais in 2012 were either uncertain or disapproving of Obama's leadership?
return Thais ;return #1 that were uncertain of Obama 's leadership in  2012 ;return #1 that were disapproving of Obama 's leadership in  2012 ;return percent of #2 ;return percent of #3 ;return sum of #4 and  #5
['select', 'filter', 'filter', 'project', 'project', 'arithmetic']