user: Question: Which 1st (m) is the lowest one that has a Nationality of aut, and Points larger than 273.5?
Columns: ['Rank', 'Name', 'Nationality', '1st (m)', '2nd (m)', 'Points', 'Overall WC points (Rank)']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Bjørn Einar Romøren', 'NOR', 142.0, 147.5, 286.6, '512 (10)']
SQL:

assistant: SELECT MIN("1st (m)") FROM "Table" WHERE "Nationality" = 'aut' AND "Points" > 273.5;