CREATE TABLE phone (Company_name VARCHAR)

Find the name of the company that has the least number of phone models. List the company name and the number of phone model produced by that company.
SELECT Company_name, COUNT(*) FROM phone GROUP BY Company_name ORDER BY COUNT(*) LIMIT 1
SELECT "Company_name", COUNT(*) FROM "phone" GROUP BY "Company_name" ORDER BY COUNT(*) NULLS FIRST LIMIT 1