user: Question: What is the highest number of gold medals won by a team that won fewer than 2 silver and fewer than 4 bronze medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Brazil', 19.0, 19.0, 17.0, 55.0]
SQL:

assistant: SELECT MAX("Gold") FROM "Table" WHERE "Silver" < 2.0 AND "Bronze" < 4.0;