Statement: glasgow govan is one the five constituency with result as snp gain

Input Table: scottish parliament general election , 2007

rankconstituencywinning_party_2003swing_to_gainsnp_'s_place_2003result
1galloway & upper nithsdaleconservative0.172ndcon hold
2tweeddale , ettrick & lauderdaleliberal democrats1.012ndld hold
3cumbernauld & kilsythlabour1.072ndlab hold
4kilmarnock & loudounlabour1.922ndsnp gain
5dundee westlabour2.132ndsnp gain
6western isleslabour2.912ndsnp gain
7glasgow govanlabour2.922ndsnp gain
8aberdeen centrallabour2.962ndlab hold
9linlithgowlabour3.562ndlab hold
10west renfrewshirelabour4.412ndlab hold
11paisley southlabour4.912ndlab hold

SQL Command:

SELECT CASE WHEN COUNT(*) = 1 THEN 'TRUE' ELSE 'FALSE' END FROM table_sql WHERE result = 'snp gain' AND constituency = 'glasgow govan';