[PAR] [TLE] Helen Donaldson [SEP] Helen Donaldson (born 14 March 1968 in Rockhampton, Queensland) is an Australian opera singer best known for her performances of the heroines in Gilbert and Sullivan operas. [PAR] [TLE] Gilbert and Sullivan [SEP] Gilbert and Sullivan refers to the Victorian-era theatrical partnership of the librettist W. S. Gilbert (1836–1911) and the composer Arthur Sullivan (1842–1900) and to the works they jointly created.  The two men collaborated on fourteen comic operas between 1871 and 1896, of which "H.M.S. Pinafore", "The Pirates of Penzance" and "The Mikado" are among the best known.
[PAR] [TLE] Helen Donaldson [ SEP ] Helen Donaldson ( born 14 March 1968 in Rockhampton , Queensland ) is an Australian opera singer best known for her performances of the heroines in Gilbert and Sullivan operas . [PAR] [TLE] Gilbert and Sullivan [ SEP ] Gilbert and Sullivan refers to the Victorian - era theatrical partnership of the librettist W. S. Gilbert ( 1836–1911 ) and the composer Arthur Sullivan ( 1842–1900 ) and to the works they jointly created . The two men collaborated on fourteen comic operas between 1871 and 1896 , of which " H.M.S. Pinafore " , " The Pirates of Penzance " and " The Mikado " are among the best known .
The operas that Helen Donaldson was best known for appearing in were created by a team who collaborated on how many comic operas?
The operas that Helen Donaldson was best known for appearing in were created by a team who collaborated on how many comic operas ?
fourteen
fourteen