Table:
0
A
B
C
D
E
1
Copper Age
Chalcolithic (4500 BC - 3300 BC)
Early Chalcolithic
4500 BC - 4000 BC
Ubaid period in Mesopotamia
2
Bronze Age (3300 BC - 1200 BC)
Early Bronze Age (3300 BC - 2000 BC)
Early Bronze Age I
3300 BC - 3000 BC
Protodynastic to Early Dynastic Period of Egypt
3
Bronze Age (3300 BC - 1200 BC)
Early Bronze Age (3300 BC - 2000 BC)
Early Bronze Age II
3000 BC - 2700 BC
Early Dynastic Period of Sumer
4
Bronze Age (3300 BC - 1200 BC)
Early Bronze Age (3300 BC - 2000 BC)
Early Bronze Age IV
2200BC - 2100 BC
First Intermediate Period of Egypt
5
Bronze Age (3300 BC - 1200 BC)
Middle Bronze Age (2000 BC - 1550 BC)
Middle Bronze Age I
2100 BC - 2000 BC
Third Dynasty of Ur
6
Bronze Age (3300 BC - 1200 BC)
Middle Bronze Age (2000 BC - 1550 BC)
Middle Bronze Age II B
1750 BC - 1650 BC
Second Intermediate Period of Egypt
7
Bronze Age (3300 BC - 1200 BC)
Middle Bronze Age (2000 BC - 1550 BC)
Middle Bronze Age II C
1650 BC - 1550 BC
Hittite Old Kingdom , Minoan eruption
8
Bronze Age (3300 BC - 1200 BC)
Late Bronze Age (1550 BC - 1200 BC)
Late Bronze Age I
1550 BC - 1400 BC
Hittite Middle Kingdom , New Kingdom of Egypt
9
Bronze Age (3300 BC - 1200 BC)
Late Bronze Age (1550 BC - 1200 BC)
Late Bronze Age II B
1300 BC - 1200 BC
Middle Assyrian Empire
10
Iron Age (1200 BC - 539 BC)
Iron Age I (1200 BC - 1000 BC)
Iron Age I B
1150 BC - 1000 BC
Neo-Hittite states , Aramean states

Questions and formulas:
Question: When middle assyrian empire is the ubaid period in mesopotamia what is the copper age?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="Middle Assyrian Empire"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="Middle Assyrian Empire"),1))
Level: medium
Question: When hittite old kingdom , minoan eruption is the  ubaid period in mesopotamia what is the copper age?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="Hittite Old Kingdom , Minoan eruption"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="Hittite Old Kingdom , Minoan eruption"),1))
Level: medium
Question: When hittite middle kingdom , new kingdom of egypt is the ubaid period in mesopotamia how many early chalcolithics are there?
Formula: ROWS(UNIQUE(FILTER(C1, E1="Hittite Middle Kingdom , New Kingdom of Egypt")))
Formula2: ROWS(UNIQUE(FILTER(C2:C10, E2:E10="Hittite Middle Kingdom , New Kingdom of Egypt")))
Level: medium
Question: When the second intermediate period of egypt is the  ubaid period in mesopotamia how many early calcolithics are there?
Formula: ROWS(UNIQUE(FILTER(C1, E1="Second Intermediate Period of Egypt")))
Formula2: ROWS(UNIQUE(FILTER(C2:C10, E2:E10="Second Intermediate Period of Egypt")))
Level: medium