CREATE TABLE market (market_id DECIMAL, district TEXT, num_of_employees DECIMAL, num_of_shops DECIMAL, ranking DECIMAL)
CREATE TABLE phone (name TEXT, phone_id DECIMAL, memory_in_g DECIMAL, carrier TEXT, price DECIMAL)
CREATE TABLE phone_market (market_id DECIMAL, phone_id TEXT, num_of_stock DECIMAL)

Show the names of phones with carrier either 'Sprint' or 'TMobile'.
SELECT name FROM phone WHERE carrier = "Sprint" OR carrier = "TMobile"
SELECT "name" FROM "phone" WHERE "Sprint" = "carrier" OR "TMobile" = "carrier"