query: SELECT Rank FROM FACULTY GROUP BY Rank ORDER BY count(*) ASC LIMIT 1
question: What is the least common faculty rank?
query_toks: SELECT Rank FROM FACULTY GROUP BY Rank ORDER BY count ( * ) ASC LIMIT 1
query_toks_no_value: select rank from faculty group by rank order by count ( * ) asc limit value
question_toks: What is the least common faculty rank?