John O'Donovan queried its supposed location in the Ordnance Survey Books for County Galway.

Entity and relation annotations:
id: 0
type: entity
value: text: John O'Donovan
labels: <Person>
id: 1
type: entity
value: text: County Galway
labels: <Location>
id: 2
type: entity
value: text: the Ordnance Survey Books
labels: <Work_of_art>