user: Question: What is the highest Goals Against, when Club is "pontevedra cf", and when Played is less than 38?
Columns: ['Position', 'Club', 'Played', 'Points', 'Wins', 'Draws', 'Losses', 'Goals for', 'Goals against', 'Goal Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Real Betis', 38.0, 53.0, 20.0, 13.0, 5.0, 54.0, 28.0, 26.0]
SQL:

assistant: SELECT MAX("Goals against") FROM "Table" WHERE "Club" = 'pontevedra cf' AND "Played" < 38.0;