original_query: What was the total number of valid votes in the election?
query: What was the total number of valid votes in the Yale riding elections?
answer: The total number of valid votes varied across different elections in the Yale riding.  Specific examples from the provided text include 171, 401, 1944, 510, 496, 720, 781, 1418, 2307, 2648, 1738, 1615, 1764, 1613, 3000, 2701, 2953, 2778, 3531, and 4571.