Table:
0
A
B
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D
E
F
G
H
I
J
1
Year
Conductor
Opera House or Orchestra
Label
Countess
Count
Flamand
Olivier
La Roche
Clairon
2
1953
Clemens Krauss
Bavarian Radio Symphony Orchestra
Walhall Eternity Series
Viorica Ursuleac
Karl Schmitt-Walter
Rudolf Schock
Hans Braun
Hans Hotter
Hertha Töpper
3
1957-58
Wolfgang Sawallisch
Philharmonia Orchestra
EMI Classics
Elisabeth Schwarzkopf
Eberhard Wächter
Nicolai Gedda
Dietrich Fischer-Dieskau
Hans Hotter
Christa Ludwig
4
1960
Karl Böhm
Vienna State Opera
Omega Opera Archive
Elisabeth Schwarzkopf
Hermann Uhde
Anton Dermota
Walter Berry
Paul Schöffler
Christel Goltz
5
1964
Georges Prêtre
Vienna State Opera
Omega Opera Archive
Lisa Della Casa
Robert Kerns
Waldemar Kmentt
Walter Berry
Otto Wiener
Christa Ludwig
6
1971
Karl Böhm
Bavarian Radio Symphony Orchestra
Deutsche Grammophon
Gundula Janowitz
Dietrich Fischer-Dieskau
Peter Schreier
Hermann Prey
Karl Ridderbusch
Tatiana Troyanos
7
1983
Heinrich Hollreiser
Vienna State Opera Orchestra
Lyric Distribution
Gundula Janowitz
Hans Helm
Peter Schreier
Gottfried Hornik
Theo Adam
Christa Ludwig
8
1994
Ulf Schirmer
Vienna Philharmonic Orchestra
Decca
Kiri Te Kanawa
Håkan Hagegård
Uwe Heilmann
Olaf Bär
Victor von Halem
Brigitte Fassbaender

Questions and formulas:
Question: When 1971 is the year what is the la roche?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,A1=1971),9))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J8,A2:A8=1971),9))
Level: medium
Question: When deutsche grammophon is the label how many clairons are there?
Formula: ROWS(UNIQUE(FILTER(J1, D1="Deutsche Grammophon")))
Formula2: ROWS(UNIQUE(FILTER(J2:J8, D2:D8="Deutsche Grammophon")))
Level: medium
Question: When hermann uhde is the count who is the conductor?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,F1="Hermann Uhde"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J8,F2:F8="Hermann Uhde"),2))
Level: medium
Question: When dietrich fischer-dieskau is the olivier who is the conductor?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,H1="Dietrich Fischer-Dieskau"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J8,H2:H8="Dietrich Fischer-Dieskau"),2))
Level: medium
Question: When karl ridderbusch is the la roche who is the olivier?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,I1="Karl Ridderbusch"),8))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J8,I2:I8="Karl Ridderbusch"),8))
Level: medium