user: Question: What is the average when the highest score is 151?
Columns: ['Player', 'Matches', 'Innings', 'Runs', 'Average', 'Highest Score', '100s', '50s']
Types: ['text', 'real', 'real', 'real', 'text', 'text', 'real', 'real']
Sample row: ['James Hildreth Category:Articles with hCards', 16.0, 23.0, 1440.0, '65.45', '151', 7.0, 5.0]
SQL:

assistant: SELECT "Average" FROM "Table" WHERE "Highest Score" = '151';