Question: When the Away team scored 20.15 (135) on the Date of 23 April 1973, how many people were in the crowd?
SQL: SELECT "Crowd" FROM "2-10869537-3" WHERE "Date" = '23 April 1973' AND "Away team score" = '20.15 (135)';

Question: When the Away team was Essendon, what was the Venue they played at?
SQL: SELECT "Venue" FROM "2-10869537-3" WHERE "Away team" = 'Essendon';

Question: When the Away team of Essendon played and the Crowd was larger than 18704 people, which Date did this take place on?
SQL: SELECT "Date" FROM "2-10869537-3" WHERE "Crowd" > 18704.0 AND "Away team" = 'Essendon';