yes
select open_date from church where name = "Pure church of Christ"
who organized the Pure Church of Christ?
select organized_by from church where name = "Pure church of Christ"
what is the ID of the Church of Christ?
select church_id from church where name = "Pure church of Christ"
yes
select name from church where organized_by = "Ezra Booth"
Show the opening year in which at least two churches opened
select open_date from church group by open_date having count ( * ) > = 2