REX Richmond Highway Express
Table:
REX Richmond Highway Express
System	Metrobus
Operator	Washington Metropolitan Area Transit Authority
Garage	Cinder Bed
Vehicle	New Flyer DE40LFA
Livery	Richmond Highway Express
Status	In Service
Began service	September 26, 2004
Predecessors	Metrobus 9A
Locale	City of Alexandria
Fairfax County
Communities served	Old Town Alexandria, Huntington, Virginia, Groveton, Virginia, Hybla Valley, Virginia, Mount Vernon, Virginia, Woodlawn, Virginia
Landmarks served	King Street–Old Town station, Eisenhower Avenue station, Huntington station, Fort Belvoir
Start	King Street–Old Town station
Via	Richmond Highway
End	Fort Belvoir
Length	15 miles (24.14 km)
Level	Daily
Frequency	10-25 minutes (Rush Hour)
30 minutes (Midday and Weekday Evening Service)
30 minutes (Saturday)
60 minutes (Sunday)
Operates	5:00 AM – 11:39 PM (Weekdays)
5:00 AM – 10:56 PM (Saturdays)
5:00 AM – 10:00 PM (Sundays)
Transfers	SmarTrip only
Timetable	Richmond Highway Express

From the table, decide if the statement is entailed, neutral, or refuted by the data. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Assertion: REX Richmond Highway Express runs every 30 minutes starting at 4:30am on Saturdays

answer: refuted