Question: What play was mentioned in the man who was portrayed by actor Geoffrey Rush's Diary?

Context paragraphs:
Shine (film): Shine is a 1996 Australian biographical drama film based on the life of pianist David Helfgott, who suffered a mental breakdown and spent years in institutions.  It stars Geoffrey Rush, Lynn Redgrave, Armin Mueller-Stahl, Noah Taylor, John Gielgud, Googie Withers, Justin Braine, Sonia Todd, Nicholas Bell, Chris Haywood and Alex Rafalowicz.  The screenplay was written by Jan Sardi, and directed by Scott Hicks.  The film made its US premiere at the Sundance Film Festival.  In 1997, Geoffrey Rush was awarded the Academy Award for Best Actor at the 69th Academy Awards for his performance in the lead role.

Everton Park State High School: Everton Park State High School is a small school consisting of approximately 300 students located in the northern suburbs of Brisbane, Australia.  The Queensland Government gazettal proclamation of 22 September 1960 announced the opening of a Stafford State High School for the beginning of 1961.  The school was renamed Everton Park State High School by gazettal proclamation dated 8 December 1960 and opened 23 January 1961 under this name.  The actor Geoffrey Rush is one of the school's more notable alumni.

Hector Barbossa: Captain Hector Barbossa is a fictional character in the "Pirates of the Caribbean" film series, portrayed by Australian actor Geoffrey Rush.  Barbossa appears in all films of the series.  Starting out as a villainous undead pirate in "" (2003), the character dies at the end of the film.  However, he is revealed to have been brought back to life at the end of "" (2006), and serves as a protagonist and Pirate Lord in "" (2007), a privateer with the Royal Navy in "" (2012), and finally as the rich and influential leader of his own pirate fleet in "" (2017).  Throughout the series, the character has been conceptualized as a "dark trickster" and counterpart to protagonist Jack Sparrow.

Holding the Man (film): Holding the Man is a 2015 Australian romantic drama film adapted from Timothy Conigrave's 1995 memoir of the same name.  It was directed by Neil Armfield and stars Ryan Corr and Craig Stott, with supporting performances from Guy Pearce, Anthony LaPaglia, Sarah Snook, Kerry Fox and Geoffrey Rush.  The screenplay was written by Tommy Murphy who also adapted the memoir for the stage play.

Harvie Krumpet: Harvie Krumpet is a 2003 Australian clay animation comedy-drama short film written, directed and animated by Adam Elliot, and narrated by Geoffrey Rush.  It tells the life story of Harvie Krumpet, a Polish-Australian man whose life is plagued by bad luck but who nevertheless remains optimistic.

Lech Mackiewicz: Lech Mackiewicz (born 1960 in Skierniewice, Poland) is a Polish actor, director, playwright; graduate of the National Academy of Theatrical Arts (PWST) in Cracow (Poland 1983), and UTS (University of Technology Sydney 1987).  He formed Auto Da Fe Theatre Co. in Sydney in 1987.  He received the New South Wales Performing Arts Scholarship in 1991; assisted Neil Armfield on the production of "Diary of A Madman" with Geoffrey Rush at Belvoir St Theatre; directed and acted internationally: Australia, Poland, Japan, Korea, Italy.

Philip Henslowe: Philip Henslowe (c. 1550 – 6 January 1616) was an Elizabethan theatrical entrepreneur and impresario.  Henslowe's modern reputation rests on the survival of his diary, a primary source for information about the theatrical world of Renaissance London.  He was portrayed by actor Geoffrey Rush in the Academy Award-winning film "Shakespeare in Love".

Elizabeth (film): Elizabeth is a 1998 British biographical film written by Michael Hirst, directed by Shekhar Kapur, and starring Cate Blanchett in the title role of Queen Elizabeth I of England, alongside Geoffrey Rush, Christopher Eccleston, Joseph Fiennes, John Gielgud, Fanny Ardant and Richard Attenborough.  The film is loosely based on the early years of Elizabeth's reign.  Blanchett and Rush reprised their roles in the sequel, "" (2007), covering the later part of her reign.

The Stepmother's Tragedy: The Stepmother's Tragedy is a play written by Henry Chettle and Thomas Dekker.  It is mentioned in Philip Henslowe's diary in August 1599.  No extant copies of the play are known.

Potting On: Potting On is a radio situation comedy broadcast on BBC Radio 4.  It stars poet and author Pam Ayres and veteran actor Geoffrey Whitehead as an aging couple running a garden centre with the help of various oddball employees.  The supporting cast includes Trevor Bannister, Alex Tregear, and Karl Theobald.  The show is written by Chris Thompson and Peter Reynolds.

Supporting paragraphs: The Stepmother's Tragedy Philip Henslowe
Answer: The Stepmother's Tragedy