CREATE TABLE table_19342760_1 (cause_of_destruction VARCHAR, name VARCHAR)

What caused the collapse of the Mausoleum at Halicarnassus?
SELECT cause_of_destruction FROM table_19342760_1 WHERE name = "Mausoleum at Halicarnassus"
SELECT "cause_of_destruction" FROM "table_19342760_1" WHERE "Mausoleum at Halicarnassus" = "name"