user: Question: What is the highest run ratio Japan, which has less than 58 runs and 5 wins, have?
Columns: ['Rank', 'Team', 'Wins', 'Losses', 'Runs Allowed', 'Run Ratio']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'United States', 6.0, 1.0, 18.0, 2.7]
SQL:

assistant: SELECT MAX("Run Ratio") FROM "Table" WHERE "Runs Allowed" < 58.0 AND "Wins" = 5.0 AND "Team" = 'Japan';