Calculate the total amount of donations made in 2011 for an honoree with payment via campaign page.
total amount refers to sum(donation_total); 2011 refers to donation_timestamp LIKE'2011%'; honoree refers to for_honoree = 't'; via campaign page refers to via_giving_page = 't'
SELECT SUM(donation_total) FROM donations WHERE donation_timestamp LIKE '2011%' AND via_giving_page = 't' AND for_honoree = 't'