how many communities have a population of zero?
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col : community | area | location | population | date established row 1 : beaver lake 17 | 49.4 hectares (122 acres) | 78.4 km. southeast of halifax | 23 | march 3, 1867 row 2 : cole harbour 30 | 18.6 hectares (46 acres) | 9.6 km. east of halifax | 194 | march 3, 1880 row 3 : millbrook 27 | 302.0 hectares (746 acres) | 8 km. south of truro | 847 | march 3, 1886 row 4 : sheet harbour 36 | 32.7 hectares (81 acres) | 91.2 km. northeast of halifax | 15 | march 3, 1915 row 5 : truro 27a | 16.7 hectares (41 acres) | joined south of truro town limit | 0 | march 3, 1904 row 6 : truro 27b | 16.4 hectares (41 acres) | joined with 27a on south | 0 | march 3, 1907 row 7 : truro 27c | 9.5 hectares (23 acres) | joined with 27b on south | 0 | march 3, 1909
how many communities have a population of zero?
Community Area Location Population Date established
Beaver Lake 17 49.4 hectares (122 acres) 78.4 km. southeast of Halifax 23 March 3, 1867
Cole Harbour 30 18.6 hectares (46 acres) 9.6 km. east of Halifax 194 March 3, 1880
Millbrook 27 302.0 hectares (746 acres) 8 km. south of Truro 847 March 3, 1886
Sheet Harbour 36 32.7 hectares (81 acres) 91.2 km. northeast of Halifax 15 March 3, 1915
Truro 27A 16.7 hectares (41 acres) Joined south of Truro town limit 0 March 3, 1904
Truro 27B 16.4 hectares (41 acres) Joined with 27A on south 0 March 3, 1907
Truro 27C 9.5 hectares (23 acres) Joined with 27B on south 0 March 3, 1909
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