query: SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype  =  "food"
question: Are Showing all allergy with types foods.
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: Are Showing all allergy with types foods.