Explain EXPLAIN SYNTAX (children 2)
 Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function sumIf (alias sum_id_match) (children 1)
      ExpressionList (children 2)
       Identifier color_id
       Function equals (children 1)
        ExpressionList (children 2)
         Function dictGetString (children 1)
          ExpressionList (children 3)
           Literal \'colors\'
           Literal \'name\'
           Identifier color_id
         Literal \'red\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier t
