Table:
0
A
B
C
D
E
1
Rank
Celebrity
Professional Partner
Season
Average
2
1
Maciej Jachowski
Janja Lesar
12
32.0
3
2
Stachursky
Dominika Kublik-Marzec
6
29.0
4
3
Przemysław Miarczyński
Magdalena Soszyńska-Michno
11
28.5
5
4
Piotr Adamski
Blanka Winiarska
2
28.0
6
5
Paweł Stasiak
Janja Lesar
8
27.0
7
5
Marek Kościkiewicz
Agnieszka Pomorska
10
27.0
8
6
Wojciech Majchrzak
Magdalena Soszyńska-Michno
5
25.5
9
7
Michał Milowicz
Izabela Mika
4
25.0
10
7
Michał Lesień
Katarzyna Krupa
7
25.0
11
8
Robert Kudelski
Agnieszka Pomorska
1
24.0
12
9
Paolo Cozza
Kamila Drezno
3
18.5
13
10
Zbigniew Urbański
Izabela Janachowska
13
13.0

Questions and formulas:
Question: Which season had an average under 28, a rank under 10, and a partner of Janja Lesar?
Formula: SUM(FILTER(D1, (E1<28)*(A1<10)*(C1="janja lesar")))
Formula2: SUM(FILTER(D2:D13, (E2:E13<28)*(A2:A13<10)*(C2:C13="janja lesar")))
Level: easy
Question: What is the highest season that had rank under 1?
Formula: MAX(FILTER(D1, A1<1))
Formula2: MAX(FILTER(D2:D13, A2:A13<1))
Level: easy
Question: Who was the professional partner in season 4?
Formula: LET(query1,SUMMARIZE(C1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(C2:C13,SUMX(D2:D13)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard