-- Database schema
| people : People_ID [ INT ] primary_key , Name [ TEXT ] , Country [ TEXT ] , Is_Male [ TEXT ] , Age [ INT ] | church : Church_ID [ INT ] primary_key , Name [ TEXT ] , Organized_by [ TEXT ] , Open_Date [ INT ] , Continuation_of [ TEXT ] | wedding : Church_ID [ INT ] primary_key wedding.Church_ID = church.Church_ID , Male_ID [ INT ] wedding.Male_ID = people.People_ID , Female_ID [ INT ] wedding.Female_ID = people.People_ID , Year [ INT ] |
-- -- Show all church names that have hosted least two weddings.

SELECT T1.name FROM church AS T1 JOIN wedding AS T2 ON T1.church_id  =  T2.church_id GROUP BY T1.church_id HAVING count(*)  >=  2;