user: Question: Which Championship has a Score of 2–6, 4–6, 4–6?
Columns: ['Year', 'Championship', 'Partner', 'Opponents in the final', 'Score']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1943.0, 'U.S. Championships', 'David Freeman', 'Jack Kramer Frank Parker', '2–6, 4–6, 4–6']
SQL:

assistant: SELECT "Championship" FROM "Table" WHERE "Score" = '2–6, 4–6, 4–6';