CREATE TABLE table_40734 ("Year" FLOAT, "Chart" TEXT, "Track" TEXT, "Peak" FLOAT, "Weeks on Chart" FLOAT)

Which year has fewer Weeks on Chart than 17, a Peak of 23, and the track is reg lame la silla donde te esper ?
SELECT "Year" FROM table_40734 WHERE "Weeks on Chart" < '17' AND "Track" = 'regálame la silla donde te esperé' AND "Peak" = '23'
SELECT "Year" FROM "table_40734" WHERE "Peak" = '23' AND "Track" = 'regálame la silla donde te esperé' AND "Weeks on Chart" < '17'