CREATE TABLE mill (architect_id NUMBER, id NUMBER, location CLOB, name CLOB, type CLOB, built_year NUMBER, notes CLOB)
CREATE TABLE architect (id CLOB, name CLOB, nationality CLOB, gender CLOB)
CREATE TABLE bridge (architect_id NUMBER, id NUMBER, name CLOB, location CLOB, length_meters NUMBER, length_feet NUMBER)

How many architects are female?
SELECT COUNT(*) FROM architect WHERE gender = 'female'
SELECT COUNT(*) FROM "architect" WHERE "gender" = 'female'