entity_id,source_id,evidence_type,source_note ENT_ART_CAMELOT,SRC_CHRETIEN_TROYES,primary text attestation,The principal seat of Arthur's court and of the Round Table. ENT_ART_LANCELOT,SRC_CHRETIEN_TROYES,primary text attestation,"The foremost knight, whose love for Guinevere brings the realm to ruin." ENT_ART_PERCEVAL,SRC_CHRETIEN_TROYES,primary text attestation,The naive young knight (Parzival) who comes to the Grail castle; one of the Grail achievers.