Q: This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.
Passage: Trying to snap a three-game losing streak, the Chargers stayed at home, donned their alternate uniforms again, and played a Week 14 AFC West rematch with the Oakland Raiders. In the first quarter, the 'Bolts struck first as kicker Nate Kaeding got a 20-yard field goal, along with RB LaDainian Tomlinson getting a 3-yard TD run. In the second quarter, San Diego increased their lead as QB Philip Rivers completed an 8-yard TD pass to RB Darren Sproles and a 59-yard TD pass to WR Vincent Jackson, while Kaeding made a 39-yard field goal. Oakland would close out the half with CB Justin Miller returning a kickoff 98 yards for a touchdown. After a scoreless third quarter, the 'Bolts pulled away in the fourth quarter as Rivers hooked up with Sproles again on an 18-yard TD pass.
Question: who was responsible for the San Diego touchdown passes in the second quarter?
A:
span