Error parsing node of kind 'ERROR': {Node ERROR (0, 61) - (0, 65)} ontology?object=eq.class I major histocompatibility antigen H-2Kd Ok(Select { table: "\"ontology\"", select: [], filter: [Filter { lhs: "\"object\"", operator: Equals, rhs: String("'class I major histocompatibility antigen H'") }], window: None, group_by: [], having: [], order_by: [], limit: None, offset: None })