Question: Which Works number has a Number larger than 807, and a Type of 0-6-0, and a Date of 1920?
SQL: SELECT AVG("Works number") FROM "2-14518594-1" WHERE "Number" > 807.0 AND "Type" = '0-6-0' AND "Date" = 1920.0;

Question: Which Type has a Date smaller than 1943, and a Builder of ALCO Schenectady, and a Number larger than 822, and Works number of 59867?
SQL: SELECT "Type" FROM "2-14518594-1" WHERE "Date" < 1943.0 AND "Builder" = 'ALCO Schenectady' AND "Number" > 822.0 AND "Works number" = 59867.0;

Question: Which Date has a Builder of ALCO Schenectady, and a Number larger than 835, and Works number of 56566?
SQL: SELECT AVG("Date") FROM "2-14518594-1" WHERE "Builder" = 'ALCO Schenectady' AND "Number" > 835.0 AND "Works number" = 56566.0;