Explain EXPLAIN SYNTAX (children 2)
 Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function countIf (alias cnt) (children 1)
      ExpressionList (children 1)
       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
