Query the KG2c version by entering this TRAPI query JSON into the browser UI: `{"nodes": {"n00": {"ids": ["RTX:KG2c"]}}, "edges": {}}` (it should return 1 result and the name of that node gives the KG2c version that is installed in the PloverDB that is being queried by the endpoint)

[amykglen]

closing as we wrote this up in #2306