Table:
0
A
B
C
D
E
F
1
Route
Terminus
Operated by
Corridors served
Total trips (AM/PM)
Operating since
2
Route 201
Gaithersburg (WB) BWI Airport (EB)
Atlantic Coast Charters
I-95 I-195 Intercounty Connector
Hourly
March 2011
3
Route 202
Gaithersburg (WB) Fort Meade (EB)
Eyre Bus Service
MD-32 MD-29 Intercounty Connector
3 AM 4 PM
March 2011
4
Route 203
Columbia (NB) Bethesda (SB)
Eyre Bus Service
U.S. Route 29 Intercounty Connector
3 AM 3 AM 1 Midday
January 2012
5
Route 204
Frederick (WB) College Park (EB)
Eyre Bus Service
I-270 Intercounty Connector
4 AM 5 PM
January 2012
6
Route 205
College Park (WB) Germantown (EB)
Eyre Bus Service
MD-355 Intercounty Connector
3 AM 3 PM
January 2012

Questions and formulas:
Question: What trips are operated by Atlantic coast charters?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="atlantic coast charters"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6="atlantic coast charters"),5))
Level: medium