CREATE TABLE tweets (id NUMBER, uid NUMBER, text CLOB, createdate TIME)
CREATE TABLE user_profiles (uid NUMBER, name CLOB, email CLOB, partitionid NUMBER, followers NUMBER)
CREATE TABLE follows (f1 NUMBER, f2 NUMBER)

Find the emails of the user named 'Mary'.
SELECT email FROM user_profiles WHERE name = 'Mary'
SELECT "email" FROM "user_profiles" WHERE "name" = 'Mary'