Table:
0
A
B
C
D
E
1
Antibody
Brand name
Approval date
Type
Target
2
Alemtuzumab
Campath
2001
humanized
CD52
3
Bevacizumab
Avastin
2004
humanized
vascular endothelial growth factor
4
Brentuximab vedotin
Adcetris
2011
chimeric
CD30
5
Cetuximab
Erbitux
2004
chimeric
epidermal growth factor receptor
6
Gemtuzumab ozogamicin
Mylotarg
2000
humanized
CD33
7
Ibritumomab tiuxetan
Zevalin
2002
murine
CD20
8
Panitumumab
Vectibix
2006
human
epidermal growth factor receptor
9
Rituximab
Rituxan, Mabthera
1997
chimeric
CD20
10
Trastuzumab
Herceptin
1998
humanized
ErbB2

Questions and formulas:
Question: What's the target of the antibody rituximab?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="rituximab"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="rituximab"),5))
Level: medium
Question: What's the target for the brand mylotarg?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="mylotarg"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,B2:B10="mylotarg"),5))
Level: medium
Question: What's the type for the brand herceptin with an approval date of before 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1<2006)*(B1="herceptin")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(C2:C10<2006)*(B2:B10="herceptin")),4))
Level: medium