Table:
0
A
B
C
D
E
F
1
Year
Mens singles
Womens singles
Mens doubles
Womens doubles
Mixed doubles
2
1994
Ivan Đurić
Nataša Ostojić
no competition
no competition
no competition
3
1995
Jovan Marković
Nataša Ostojić
Jovan Marković Zoran Vuković
Nataša Ostojić Danijela Đukić
Jovan Marković Nataša Ostojić
4
1996
Jovan Marković
Nataša Ostojić
Zoran Stepanović Radomir Jovović
Nataša Ostojić Ružica Marić
Jovan Marković Ružica Marić
5
1997
Jovan Marković
Jovanka Knežević
Jovan Marković Bojan Jakovljević
Nataša Ostojić Ružica Marić
Bojan Jakovljević Ružica Marić
6
1998
Jovan Marković
Jelena Obrić
Jovan Marković Bojan Jakovljević
Jelena Obrić Marija Glogovac
Bojan Jakovljević Jelena Obrić
7
1999
Radomir Jovović
Jelena Obrić
Radomir Jovović Zoran Stepanović
Jelena Obrić Marija Glogovac
Bojan Jakovljević Jelena Obrić
8
2000
Jovan Marković
Jelena Obrić
Jovan Marković Bojan Jakovljević
Jelena Obrić Marija Glogovac
Bojan Jakovljević Jelena Obrić
9
2001
Radomir Jovović
Jelena Obrić
Radomir Jovović Zoran Stepanović
Jelena Obrić Ana Marić
Bojan Jakovljević Jelena Obrić

Questions and formulas:
Question: What is the result of men's doubles when there was no competition?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="no competition"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,D2:D9="no competition"),6))
Level: medium
Question: WHo won men's singles in 1994?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=1994),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9=1994),2))
Level: medium
Question: Who won women's singles in 2001?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=2001),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9=2001),3))
Level: medium