Question: What is the highest Attendance when the away team was Wrexham?
SQL: SELECT MAX("Attendance") FROM "2-15786635-3" WHERE "Away team" = 'Wrexham';

Question: What is the Away team when the home team was Wycombe Wanderers?
SQL: SELECT "Away team" FROM "2-15786635-3" WHERE "Home team" = 'Wycombe Wanderers';

Question: What is the lowest Attendance when the home team was Slough Town?
SQL: SELECT MIN("Attendance") FROM "2-15786635-3" WHERE "Home team" = 'Slough Town';

Question: What is the sum of Attendance when Macclesfield Town was the way team?
SQL: SELECT SUM("Attendance") FROM "2-15786635-3" WHERE "Away team" = 'Macclesfield Town';