user: Question: What is the title of the episode directed by Mark Tinker?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [62.0, 1.0, '" A Change Is Gonna Come "', 'Rob Corn', 'Shonda Rhimes', 'September27,2007', '20.93']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "Directed by" = 'Mark Tinker';