Table:
0
A
B
C
D
E
F
1
State
Type
Name
Title
Royal house
From
2
Cai
Sovereign
Yi
Marquis
Ji
837 BC
3
Cao
Sovereign
You
Count
—
835 BC
4
Cao
Sovereign
Dai
Count
—
826 BC
5
Chen
Sovereign
Li
Duke
—
831 BC
6
Chu
Sovereign
Xiong Yan the younger
Viscount
Mi
837 BC
7
Chu
Sovereign
Xiong Shuang
Viscount
Mi
827 BC
8
Chu
Sovereign
Xiong Xun
Viscount
Mi
821 BC
9
Jin
Sovereign
Xi
Marquis
Ji
840 BC
10
Jin
Sovereign
Xian
Marquis
Ji
822 BC
11
Lu
Sovereign
Shen
Duke
Ji
854 BC
12
Lu
Sovereign
Wu
Duke
Ji
825 BC
13
Qi
Sovereign
Wu
Duke
Jiang
850 BC
14
Qi
Sovereign
Li
Duke
Jiang
824 BC
15
Qin
Sovereign
Qin Zhong
Ruler
Ying
845 BC
16
Qin
Sovereign
Zhuang
Duke
Ying
822 BC
17
Song
Sovereign
Hui
Duke
—
830 BC
18
Wey
Sovereign
Li
Marquis
—
855 BC
19
Yan
Sovereign
Hui
Marquis
—
864 BC
20
Yan
Sovereign
Li
Marquis
—
826 BC

Questions and formulas:
Question: What is Name, when State is "Jin"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="jin"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,A2:A20="jin"),3))
Level: medium
Question: What is Name, when Royal House is "Ji", and when State is "Cai"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="ji")*(A1="cai")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,(E2:E20="ji")*(A2:A20="cai")),3))
Level: medium
Question: What is State, when From is "830 BC"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="830 bc"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,F2:F20="830 bc"),1))
Level: medium