CREATE TABLE Customers (customer_first_name VARCHAR2, customer_last_name VARCHAR2, customer_id VARCHAR2)
CREATE TABLE Accounts (customer_id VARCHAR2, account_name VARCHAR2)

Show the first name and last name for the customer with account name 900.
SELECT T2.customer_first_name, T2.customer_last_name FROM Accounts AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T1.account_name = "900"
SELECT "T2"."customer_first_name", "T2"."customer_last_name" FROM "Accounts" "T1" JOIN "Customers" "T2" ON "T1"."customer_id" = "T2"."customer_id" WHERE "900" = "T1"."account_name"