Assertion: garden's area | /r/HasProperty | served by the piccadilly line
Facets:
value: at covent garden tube station
type: LOCATION
value: since 1907
type: TEMPORAL
Source sentences:
text: The area has been served by the Piccadilly line at Covent Garden tube station since 1907; the 300 yard journey from Leicester Square tube station is the shortest in London.