Table:
0
A
B
C
D
E
1
Week
Date
Visiting Team
Host Team
Stadium
2
2
September 12
New York Jets
New England Patriots
Gillette Stadium
3
3
September 19
Kansas City Chiefs
Philadelphia Eagles
Lincoln Financial Field
4
4
September 26
San Francisco 49ers
St. Louis Rams
Edward Jones Dome
5
5
October 3
Buffalo Bills
Cleveland Browns
Cleveland Browns Stadium
6
6
October 10
New York Giants
Chicago Bears
Soldier Field
7
7
October 17
Seattle Seahawks
Arizona Cardinals
University of Phoenix Stadium
8
8
October 24
Carolina Panthers
Tampa Bay Buccaneers
Raymond James Stadium
9
9
October 31
Cincinnati Bengals
Miami Dolphins
Sun Life Stadium
10
10
November 7
Washington Redskins
Minnesota Vikings
Mall of America Field
11
11
November 14
Indianapolis Colts
Tennessee Titans
LP Field
12
12
November 21
New Orleans Saints
Atlanta Falcons
Georgia Dome
13
14
December 5
Houston Texans
Jacksonville Jaguars
Everbank Field
14
15
December 12
San Diego Chargers
Denver Broncos
Sports Authority Field at Mile High

Questions and formulas:
Question: What was the stadium for the game held on October 31?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="october 31"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,B2:B14="october 31"),5))
Level: medium
Question: How many weeks in total were games played at Cleveland Browns Stadium?
Formula: SUMIFS(A1,E1,"cleveland browns stadium")
Formula2: SUMIFS(A2:A14,E2:E14,"cleveland browns stadium")
Level: easy