CreateQuery table3 (children 3)
 Identifier table3
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration column3 (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
