Who was the Pythian Oracle of Delphi vs Tiresias in Oedipus Rex?

'
Tyrannos (or ) first came to the stage in Athens around 429-425
BCE. Although the play takes Thebes as its setting, the play has several references to the town
of Delphi, which was the location of Apollo's famous oracle. The priestess whose mouth spoke for
Apollo was called Pythia. Thus, the oracle at Delphi is sometimes called the Pythian oracle.
Likewise, the town of Delphi is sometimes called Pytho....