CREATE TABLE table_26368963_1 (under_15 VARCHAR2, under_17 VARCHAR2)

Who was the under-15 when Moises Galvez was the under-17?
SELECT under_15 FROM table_26368963_1 WHERE under_17 = "Moises Galvez"
SELECT "under_15" FROM "table_26368963_1" WHERE "Moises Galvez" = "under_17"