Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 2)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier n
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier r
      TableJoin
    Function and (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier n.k
        Identifier r.k
      Function notLike (children 1)
       ExpressionList (children 2)
        Identifier r.name
        Literal \'A%\'
