What is the language of the pair of words numbered 1 and 616?
Pair is a relationship of two words: w1st and w2nd, where w1st is word id of the first word and w2nd is a word id of the second word; w1st = 1; w2nd = 616;
SELECT T2.lang FROM biwords AS T1 INNER JOIN langs AS T2 ON T1.lid = T2.lid WHERE T1.w1st = 1 AND T1.w2nd = 616