user: Question: Which Share of seats has a European election (UK) of 2009?
Columns: ['European election (UK)', 'Name', 'Share of votes', 'Seats', 'Share of seats']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [1984.0, 'SDP–Liberal Alliance', '19%', 0.0, '0%']
SQL:

assistant: SELECT "Share of seats" FROM "Table" WHERE "European election (UK)" = 2009.0;