CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration c1 (children 1)
    DataType String
   ColumnDeclaration c2 (children 1)
    DataType String
   ColumnDeclaration c3 (children 1)
    DataType String
 Storage definition (children 2)
  Function ReplacingMergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier c1
    Identifier c3