user: Question: Which Outcome has a Championship of US Championships, and a Score in the final of 5–7, 6–1, 6–3, 6–3?
Columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Opponent in the final', 'Score in the final']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 1939.0, 'French Championships', 'Clay', 'Don McNeill', '5–7, 0–6, 3–6']
SQL:

assistant: SELECT "Outcome" FROM "Table" WHERE "Championship" = 'US Championships' AND "Score in the final" = '5–7, 6–1, 6–3, 6–3';