Question: Which Outcome has a Championship of US Championships, and a Score in the final of 5–7, 6–1, 6–3, 6–3?
SQL: SELECT "Outcome" FROM "2-17188888-1" WHERE "Championship" = 'US Championships' AND "Score in the final" = '5–7, 6–1, 6–3, 6–3';

Question: Which Outcome has a Year larger than 1939, and an Opponent in the final of Frank Kovacs?
SQL: SELECT "Outcome" FROM "2-17188888-1" WHERE "Year" > 1939.0 AND "Opponent in the final" = 'Frank Kovacs';

Question: Which Surface has an Opponent in the final of Don McNeill, and a Year of 1940?
SQL: SELECT "Surface" FROM "2-17188888-1" WHERE "Opponent in the final" = 'Don McNeill' AND "Year" = 1940.0;

Question: How many years have an Opponent in the final of Welby Van Horn?
SQL: SELECT SUM("Year") FROM "2-17188888-1" WHERE "Opponent in the final" = 'Welby Van Horn';