Table:
text: Rowing at the 2008 Summer Olympics – Men's lightweight double sculls
Heat 4
Heat 4
Rank_ Rowers Country Time_ Notes
1 Storm Uru , Peter Taylor New Zealand 6:16.78 SA/B
2 Maxime Goisset , Frederic Dufour France 6:20.17 SA/B
3 Pedro Fraga , Nuno Mendes Portugal 6:24.35 R
4 So Sau Wah , Chow Kwong Wing Hong Kong 6:34.51 R
5 Jang Kang-Eun , Kim Hong-Kyun South Korea 6:42.97 R

Question: What were the marks for the time of 6:34.51 for the Rowing at the 2008 Summer Olympics - Men's Lightweight Double Sculls, Heat 4?

Question: What is the rank of the rowers with a time of 6:24.35 in Rowing at the 2008 Summer Olympics - Men's Lightweight Double Sculls, Heat 4?

Question: Regarding Rowing at the 2008 Summer Olympics - Men's Lightweight Double Sculls, Heat 4, which rowers represented Portugal and had grades of R?

Question: Which rowers of rowing - men's lightweight double sculls - represented the country of Portugal - in the 4th round of the 2008 Summer Olympics?