CREATE TABLE table_name_91 (state VARCHAR, name VARCHAR, gnis_feature_id VARCHAR)

Which state has a Name of diamond lake, and a GNIS Feature ID of 1579127?
SELECT state FROM table_name_91 WHERE name = "diamond lake" AND gnis_feature_id = 1579127
SELECT "state" FROM "table_name_91" WHERE "diamond lake" = "name" AND "gnis_feature_id" = 1579127