Extracts a string value from the first matching field name.
EP API JSON-LD responses sometimes return single-value fields as arrays
(e.g. inverse_decided_on_a_realization_of: ["eli/dl/event/..."]).
When the value is an array, the first element is used.
Extracts a string value from the first matching field name.
EP API JSON-LD responses sometimes return single-value fields as arrays (e.g.
inverse_decided_on_a_realization_of: ["eli/dl/event/..."]). When the value is an array, the first element is used.