user: Question: What is the most amount of points any team had in round 4? 
Columns: ['Rank', 'Team', 'Round1', 'Round2', 'Round3', 'Round4', 'Total points']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Germany', 96.0, 93.0, 100.0, 53.0, 342.0]
SQL:

assistant: SELECT MAX("Round4") FROM "Table";