Table:
0
A
B
C
D
E
F
1
Platform
Frequency (per hour)
Destination
Service Pattern
Operator
Line
2
1
4
Highbury & Islington
All stations via Shoreditch High Street
London Overground
East London
3
1
4
Dalston Junction
All stations via Shoreditch High Street
London Overground
East London
4
1
4
London Bridge
All stations
Southern
Metro
5
2
4
Crystal Palace
Next station
London Overground
East London
6
2
4
West Croydon
All stations
London Overground
East London
7
2
2
London Victoria (Mon-Sat)
All stations via Clapham Junction
Southern
Metro
8
2
2
Caterham (Mon-Sat)
All stations via East Croydon
Southern
Metro
9
2
2
West Croydon (Peaks & Sun only)
Fast to Norwood Junction
Southern
Metro

Questions and formulas:
Question: Which line offers Fast to Norwood Junction?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="Fast to Norwood Junction"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,D2:D9="Fast to Norwood Junction"),6))
Level: medium
Question: Who is the operator to Highbury & Islington?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Highbury & Islington"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="Highbury & Islington"),5))
Level: medium
Question: How many frequency figures are given for next station service pattern?
Formula: SUMIFS(B1,D1,"Next station")
Formula2: SUMIFS(B2:B9,D2:D9,"Next station")
Level: easy
Question: Who is the operator to destination Dalston Junction?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Dalston Junction"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="Dalston Junction"),5))
Level: medium