claim: Sean Gunn was on a tennis court.
evidence: Tancred , or the Siege of Antioch was an early 19th-century -LRB- 1827 -RRB- play by American playwright John Augustus Stone .. American. United States. playwright. playwright. John Augustus Stone. John Augustus Stone. Category  : Plays by John Augustus Stone. John Augustus Stone. John Augustus Stone. Category  :1827 plays. Category  : Historical plays. Category  : Middle East in fiction