query: SELECT count(*) FROM professor WHERE prof_high_degree  =  'Ph.D.'
question: How many professors one having the A Ph.D. a degree?
query_toks: SELECT count ( * ) FROM professor WHERE prof_high_degree = 'Ph.D . '
query_toks_no_value: select count ( * ) from professor where prof_high_degree = value
question_toks: How many professors one having the A Ph.D. a degree?