user: Question: How many millions of people in the US watched when Kevin Bray was director?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'U.S. viewers (million)', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [15.0, 1.0, '"Withdrawal"', 'Tim Matheson', 'Jeff Eastin', '4.29', 'July13,2010']
SQL:

assistant: SELECT "U.S. viewers (million)" FROM "Table" WHERE "Directed by" = 'Kevin Bray';