Table:
text: Ingrid Bergman chronology of performances
Theater credits
Theater credits
Year_ Play Role_ Theatre Location_
1967 More Stately Mansions Deborah Harford Broadhurst Theatre New York City , New York
1971 Captain Brassbound`s Conversion Lady Cecily Waynflete Cambridge Theatre London , United Kingdom
1972 Captain Brassbound`s Conversion Lady Cecily Waynflete Opera House, Kennedy Center Washington, D.C.
1973 The Constant Wife Constance Middleton Albery Theatre London , United Kingdom
1975 The Constant Wife Constance Middleton Shubert Theatre New York City , New York
1977 Waters of the Moon Helen Lancaster Festival Theatre Chichester , United Kingdom
1978 Waters of the Moon Helen Lancaster Haymarket Theatre London , United Kingdom

Question: Tell me the role of the festival theater for Ingrid Bergman chronology of performances ?

Question: In Ingrid Bergman's chronology of performances, tell me the lowest year for Shubert theaters?

Question: Tell me the total number of years for Ingrid Bergman chronology of performances of Lady Cecily Waynflete and Opera House, Kennedy Center?