user: Question: What was the highest share?
Columns: ['Order', 'Episode', 'U.S. air date', 'Rating', 'Share', 'Rating/Share (18–49)', 'Viewers (millions)', 'Rank (timeslot)']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text', 'real']
Sample row: [1.0, '" A Modest Proposal "', 'August 3, 2010', '0.7', 1.0, '0.4/1', '1.010', 5.0]
SQL:

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