Principal passes of the Alps

Columns: area | name | location | countries | elevation ( m )
Colle di Cadibona | Savona to Ceva | Italy | 436 | Colle del Melogno | Finale Ligure to Ceva | Italy | 1028 | Giogo di Toirano | Toirano to Bardineto | Italy | 801 | Colle Scravaion | Albenga to Calizzano | Italy | 814 | Colle San Bernardo | Albenga to Garessio | Italy | 957 | Passo di Prale | Cisano sul Neva to Ormea | Italy | 1258 | Colle di Nava | Imperia to Ormea | Italy | 934

Example questions:
The principal mountain pass of the Alps that connects Ormea and the Tanaro Valley ( CN ) with Pieve di Teco and Imperia is in what country ? | That principal mountain pass of the Alps that has an Elevation of 1996m was purchased for how much ? | What is the Elevation of the principal mountain pass of the Alps located in the municipality about 70 kilometres ( 43 mi ) southwest of Genoa ? | Th principal mountain pass of the Alps that is 1,430 ft tall is located in what Country ?

Answers:
Italy | 60,000 ecus | 814 | Italy