query: SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype  =  "food"
question: With type food Show all allergies.
query_toks: SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype = `` food ''
query_toks_no_value: select distinct allergy from allergy_type where allergytype = value
question_toks: With type food Show all allergies.