Table:
0
A
B
C
D
E
1
Congress
Bill number
Date introduced
Sponsor
# of cosponsors
2
107th Congress
H.R. 1343
April 3, 2001
Rep. John Conyers (D-MI)
208
3
107th Congress
S. 625
March 27, 2001
Sen. Ted Kennedy (D-MA)
50
4
108th Congress
H.R. 4204
April 22, 2004
Rep. John Conyers (D-MI)
178
5
108th Congress
S.Amdt. 3183 to S. 2400
June 14, 2004
Sen. Gordon H. Smith (R-OR)
4
6
109th Congress
H.R. 2662
May 26, 2005
Rep. John Conyers (D-MI)
159
7
109th Congress
S. 1145
May 26, 2005
Sen. Ted Kennedy (D-MA)
45
8
110th Congress
H.R. 1592
March 30, 2007
Rep. John Conyers (D-MI)
171
9
110th Congress
S. 1105
April 12, 2007
Sen. Ted Kennedy (D-MA)
44
10
111th Congress
H.R. 1913
April 2, 2009
Rep. John Conyers (D-MI)
120
11
111th Congress
S. 909
April 28, 2009
Sen. Ted Kennedy (D-MA)
45
12
111th Congress
S.Amdt. 1511 to S. 1390
July 15, 2009
Sen. Patrick Leahy (D-VT)
37

Questions and formulas:
Question: What number of Congress has 44 cosponsors?
Formula: LET(query1,SUMMARIZE(A1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=44))
Formula2: LET(query1,SUMMARIZE(A2:A12,SUMX(E2:E12)),FILTER(query1,CHOOSECOLS(query1,2)=44))
Level: hard
Question: Who was the sponsor on April 22, 2004?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="april 22, 2004"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,C2:C12="april 22, 2004"),4))
Level: medium