user: Question: Which Run 4 has a Run 3 of 1:26.63?
Columns: ['Team', 'Athletes', 'Run 1', 'Run 2', 'Run 3', 'Run 4', 'Final']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['United States (USA) USA I', 'Ivan Brown & Alan Washbond', '1:22.50', '1:21.02', '1:25.39', '1:20.38', '5:29.29']
SQL:

assistant: SELECT "Run 4" FROM "Table" WHERE "Run 3" = '1:26.63';