CREATE TABLE table_28602 ("Year" FLOAT, "Under-11" TEXT, "Under-13" TEXT, "Under-15" TEXT, "Under-17" TEXT, "Under-19" TEXT)

Who was the under-15 when Moises Galvez was the under-17?
SELECT "Under-15" FROM table_28602 WHERE "Under-17" = 'Moises Galvez'
SELECT "Under-15" FROM "table_28602" WHERE "Under-17" = 'Moises Galvez'