Table:
0
A
B
C
D
E
1
June 10-11
March 27-29
January 15-16
November 3
August 21-22
2
June 10, 1964
March 28, 1968
January 16, 1972
November 3, 1975
August 22, 1979
3
127
129
131
133
135
4
June 11, 1983
March 29, 1987
January 15, 1991
November 3, 1994
August 22, 1998
5
137
139
141
143
145
6
June 10, 2002
March 29, 2006
January 15, 2010
November 3, 2013
August 21, 2017
7
147
149
151
153
155

Questions and formulas:
Question: What value can you find under the column "august 21-22" and the row of June 11, 1983?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="June 11, 1983"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="June 11, 1983"),5))
Level: medium