Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Identifier value1
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier date_t
    Function and (children 1)
     ExpressionList (children 2)
      Function and (children 1)
       ExpressionList (children 2)
        Function greaterOrEquals (children 1)
         ExpressionList (children 2)
          Function toYear (children 1)
           ExpressionList (children 1)
            Identifier date1
          Literal UInt64_1993
        Function lessOrEquals (children 1)
         ExpressionList (children 2)
          Function toYear (children 1)
           ExpressionList (children 1)
            Identifier date1
          Literal UInt64_1997
      Function and (children 1)
       ExpressionList (children 2)
        Function greaterOrEquals (children 1)
         ExpressionList (children 2)
          Identifier id
          Literal UInt64_1
        Function lessOrEquals (children 1)
         ExpressionList (children 2)
          Identifier id
          Literal UInt64_3
