query: SELECT allergytype ,  count(*) FROM Allergy_type GROUP BY allergytype
question: What are allergy type and how many allergy correspond each one?
query_toks: SELECT allergytype , count ( * ) FROM Allergy_type GROUP BY allergytype
query_toks_no_value: select allergytype , count ( * ) from allergy_type group by allergytype
question_toks: What are allergy type and how many allergy correspond each one?