Table:
0
A
B
C
D
E
F
1
CERCLIS ID
County
Listed
Construction completed
Partially deleted
Deleted
2
ILD980607055
Adams
08/30/1990
03/31/1999
N/A
N/A
3
ILD980996789
Alexander
10/04/1989
09/28/1999
N/A
01/08/2001
4
ILD980397079
Cumberland
09/08/1983
09/24/1992
N/A
N/A
5
IL3210020803
Jo Daviess
03/13/1989
N/A
N/A
N/A
6
ILD000802827
Lake
09/08/1983
N/A
N/A
N/A
7
ILD003817137
Lake
06/10/1986
09/12/1989
N/A
02/11/1991
8
ILD005443544
Lake
09/08/1983
12/31/1991
N/A
N/A
9
ILD980500102
Lake
03/31/1989
09/23/2005
N/A
N/A
10
ILD980605836
Lake
02/21/1990
06/29/2001
N/A
N/A
11
ILD048843809
Madison
03/04/2010
–
–
–
12
IL0210090049
Will
03/13/1989
09/29/2008
N/A
N/A
13
IL7213820460
Will
07/22/1987
09/10/2008
N/A
N/A
14
ILD053219259
Winnebago
09/08/1983
07/13/1998
N/A
N/A

Questions and formulas:
Question: What was the value for deleted for CERCLIS ID of il0210090049?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="il0210090049"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,A2:A14="il0210090049"),6))
Level: medium
Question: What is the date construction is completed in Jo Daviess county?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="jo daviess"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,B2:B14="jo daviess"),4))
Level: medium