pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,j,e-j,83,0.291861560261786,,$blah
f,j,f-j,56,0.22136720007399002,0.909387638427892,$null
g,j,g-j,-87,,0.27210284354621894,$blah
h,j,h-j,84,0.41085861149653347,0.969588603408625,$blah