set theTable to «event !©Mt!©Td» {{true, "One", 1}, {false, "Two", 2}, {true, "Three", 3}, {false, "Four", 4}, {true, "Five", 5}} given «class !©Ch»:{"", "Number"}, «class !©Rt»:{true, "", missing value}, «class prmp»:"Note how clicking on the heading sorts using the hidden number column, not alphabetically"