SELECT DISTINCT T1.type FROM operate_company AS T1 JOIN flight AS t2 ON T1.id  =  T2.company_id WHERE T2.velocity  <  200
What are the distinct types of the companies that have operated any flights with velocity less than 200?
SELECT DISTINCT T1.type FROM operate_company AS T1 JOIN flight AS t2 ON T1.id = T2.company_id WHERE T2.velocity < 200
select distinct t1 . type from operate_company as t1 join flight as t2 on t1 . id = t2 . company_id where t2 . velocity < value
What are the distinct types of the companies that have operated any flights with velocity less than 200 ?