Table:
text: Stena Line Holland BV
Ships of the Great Eastern Railway
Ships of the Great Eastern Railway
Ship_s_name Entered_service Ended_service Gross_Tonnage Type_of_Vessel
Cromer 22 April 1902 30 August 1934 812 Twin Screw Cargo Steamer
Brussels 19 June 1902 23 June 1916 Captured 1380 Twin Screw Steamer
Yarmouth 1903 27 October 1908 Lost at sea 806 Twin Screw Cargo Steamer
Clacton 7 February 1905 7 October 1914 Requisitioned 820 Twin Screw Cargo Steamer
Newmarket August 1907 8 October 1914 Requisitioned 833 Twin Screw Cargo Steamer
Copenhagen 27 January 1907 October 1914 Requisitioned 2570 Triple Screw Steamer
Munich 16 November 1908 10 May 1940 Ship Scuttled 2410 Triple Screw Steamer
St Petersburg 7 July 1910 10 December 1939 Requisitioned 2448 Triple Screw Steamer
Felixstowe April 1919 10 February 1951 892 Single Screw Cargo Steamer

Question: Tell me the average gross tonnage for April 1919 commissioned for Stena Line Holland BV on Great Eastern Railway vessels. ?

Question: I would like the gross tonnage total when commissioned in 1903 by the ships of the Great Eastern Railway to be Stena Line Holland BV. ?