query: SELECT rank FROM captain EXCEPT SELECT rank FROM captain WHERE CLASS  =  'Third-rate ship of the line'
question: What-what the rank alla captain has em captain that Third-rate ship that line clases?
query_toks: SELECT rank FROM captain EXCEPT SELECT rank FROM captain WHERE CLASS = 'Third-rate ship of the line '
query_toks_no_value: select rank from captain except select rank from captain where class = value
question_toks: What-what the rank alla captain has em captain that Third-rate ship that line clases?