Table:
0
A
B
C
D
1
museum id
name
num of staff
open year
2
1
Plaza Museum
62
2000
3
2
Capital Plaza Museum
25
2012
4
3
Jefferson Development Museum
18
2010
5
4
Willow Grande Museum
17
2011
6
5
RiverPark Museum
16
2008
7
6
Place Tower Museum
16
2008
8
7
Central City District Residential Museum
15
2010
9
8
ZirMed Gateway Museum
12
2009

Questions and formulas:
Question: How many museums were opened after 2013 or before 2008?
Formula: ROWS(FILTER(A1,(D1>2013)+(D1<2008)))
Formula2: ROWS(FILTER(A2:A9,(D2:D9>2013)+(D2:D9<2008)))
Level: easy
Question: the number of museums opened after 2013 or before 2008
Formula: SUM(FILTER(A1, (Year(D1)<2008)+(Year(D1)>2013)))
Formula2: SUM(FILTER(A2:A9, (Year(D1)<2008)+(Year(D1)>2013)))
Level: easy