how many submarines have a tonnage above 4,000?
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col : date | name | nationality | tonnage\n(grt) | fate row 1 : 7 october 1941 | svend foyn | united kingdom | 14,795 | damaged row 2 : 16 february 1942 | monagas | venezuela | 2,650 | sunk row 3 : 16 february 1942 | san nicholas | united kingdom | 2,391 | sunk row 4 : 16 february 1942 | tia juana | united kingdom | 2,395 | sunk row 5 : 22 february 1942 | j.n.pew | united states | 9,033 | sunk row 6 : 23 february 1942 | sun | united states | 9,002 | damaged row 7 : 23 february 1942 | thalia | panama | 8,329 | sunk row 8 : 11 may 1942 | cape of good hope | united kingdom | 4,963 | sunk row 9 : 24 may 1942 | gonçalves dias | brazil | 4,996 | sunk row 10 : 28 may 1942 | alcoa pilgrim | united states | 6,759 | sunk row 11 : 3 june 1942 | m.f. ellliot | united states | 6,940 | sunk row 12 : 9 june 1942 | bruxelles | belgium | 5,085 | sunk row 13 : 9 june 1942 | franklin k. lane | united states | 6,589 | sunk row 14 : 15 june 1942 | cold harbor | panama | 5,010 | sunk row 15 : 15 june 1942 | scottsburg | united states | 8,010 | sunk row 16 : 15 june 1942 | west hardaway | united states | 5,702 | sunk
how many submarines have a tonnage above 4,000?
Date Name Nationality Tonnage\n(GRT) Fate
7 October 1941 Svend Foyn United Kingdom 14,795 Damaged
16 February 1942 Monagas Venezuela 2,650 Sunk
16 February 1942 San Nicholas United Kingdom 2,391 Sunk
16 February 1942 Tia Juana United Kingdom 2,395 Sunk
22 February 1942 J.N.Pew United States 9,033 Sunk
23 February 1942 Sun United States 9,002 Damaged
23 February 1942 Thalia Panama 8,329 Sunk
11 May 1942 Cape of Good Hope United Kingdom 4,963 Sunk
24 May 1942 Gonçalves Dias Brazil 4,996 Sunk
28 May 1942 Alcoa Pilgrim United States 6,759 Sunk
3 June 1942 M.F. Ellliot United States 6,940 Sunk
9 June 1942 Bruxelles Belgium 5,085 Sunk
9 June 1942 Franklin K. Lane United States 6,589 Sunk
15 June 1942 Cold Harbor Panama 5,010 Sunk
15 June 1942 Scottsburg United States 8,010 Sunk
15 June 1942 West Hardaway United States 5,702 Sunk
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