CreateQuery repro (children 3)
 Identifier repro
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration foos (children 1)
    DataType Nested (children 1)
     ExpressionList (children 1)
      NameTypePair x (children 1)
       DataType LowCardinality (children 1)
        ExpressionList (children 1)
         DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier a
