{"rowid": 6189, "legislator_id": {"value": "P000506", "label": "Thomas Pratt"}, "type": "sen", "state": "MD", "start": "1850-01-12", "end": "1851-03-03", "class": 1, "party": "Ind. Republican-Democrat", "district": null, "how": null, "party_affiliations": null, "url": null, "caucus": null, "address": null, "phone": null, "fax": null, "contact_form": null, "office": null, "state_rank": null, "rss_url": null, "end-type": null}