Table:
0
A
B
C
D
E
F
G
1
Episode No.
Episode Title
UK Broadcast Date
Narrator
Writer
Details of Journey
Countries Visited
2
1
"The Gold Rush Line"
1983-02-15
Simon Hoggart
Simon Hoggart
White Pass and Yukon Route
Alaska , USA and Yukon , Canada
3
2
"The Other Poland"
1983-02-22
Brian Blessed
Lyn Webster
Nasielsk to Pułtusk & Komańcza to Cisna
Poland
4
3
"Slow Train to Olympia"
1983-03-01
Michael Wood
Michael Wood
Athens to Olympia
Greece
5
4
"The Dragons of Sugar Island"
1983-03-08
Colin Garratt
Colin Garratt
Negros Island
Philippines
6
5
"Line of Dreams"
1983-03-15
John Shrapnel
Gerry Troyna
Jodhpur and Jaipur
India
7
6
"Journey to the Land Beyond the Mountains"
1983-03-22
Ray Gosling
Ray Gosling
Douro Valley (including the Corgo line )
Portugal
8
7
"The Good and The Quick"
1983-03-29
Stanley Reynolds
Stanley Reynolds
Guayaquil to Quito
Ecuador

Questions and formulas:
Question: Which details of journey had simon hoggart as a narrator?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="simon hoggart"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,D2:D8="simon hoggart"),6))
Level: medium
Question: Which countries visited had an episode number of less than 7 when Ray Gosling was the writer?
Formula: LET(query1,LET(query1,FILTER(A1:G1,E1="ray gosling"),SUMMARIZE(CHOOSECOLS(query1,7),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<7))
Formula2: LET(query1,LET(query1,FILTER(A2:G8,E2:E8="ray gosling"),SUMMARIZE(CHOOSECOLS(query1,7),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<7))
Level: hard