Table: boston_marathon_winners
Columns: country
men_s_open
women_s_open
men_s_wheelchair
women_s_wheelchair
total

Question: What is the sum of men's wheelchair from Ireland and more than 1 total?
SQL: SELECT SUM("men_s_wheelchair") FROM boston_marathon_winners WHERE "country" = 'ireland' AND "total" > 1

Question: What is the average total for the Men's Open of 7, and the men's wheelchair more than 0?
SQL: SELECT AVG("total") FROM boston_marathon_winners WHERE "men_s_open" = 7 AND "men_s_wheelchair" > 0