Question: War Front, is an American Thoroughbred racehorse, in 2006 he won which American Thoroughbred horse race held annually near the end of July at Saratoga Race Course in Saratoga Springs, New York?

Context paragraphs:
Forego Handicap: The Forego Stakes is an American Thoroughbred horse race held annually at Saratoga Race Course in Saratoga Springs, New York.  Open to horses three years old and up, it is a Grade I event run at a distance of seven furlongs on the dirt.  The race can be a prep race for either the Breeders' Cup Sprint at 6 furlongs, or the Breeders' Cup Dirt Mile.  In 2015, the purse was increased to $700,000.

With Anticipation Stakes: The With Anticipation Stakes is an American Thoroughbred horse race run annually near the end of August or early September at Saratoga Race Course in Saratoga Springs, New York.  Raced on turf at a distance of originally one mile, now a mile and 1/16th, it is open to two-year-old horses.  Formerly a Grade III race, the American Graded Stakes Committee upgraded it to Grade II for 2011.

Glens Falls Handicap: The Glens Falls Handicap is an American Thoroughbred horse race held annually at Saratoga Race Course in Saratoga Springs, New York.  Open to fillies and mares age three and older, it is run at a distance of one and three-eighths miles (11 furlongs) on the turf.  A Grade III event, it currently offers a purse of $200,000.  The event at Saratoga Race Course is named after the nearby city of Glens Falls, New York.

Saratoga Dew Stakes: The Saratoga Dew Stakes is an American Thoroughbred horse race held annually at the end of August at Saratoga Race Course in Saratoga Springs, New York.  Restricted to New York bred fillies and Mares, age three or older, it is contested on dirt over a distance of one and one eight miles (9 furlongs).

Alfred G. Vanderbilt Handicap: The Alfred G. Vanderbilt Handicap is an American Thoroughbred horse race held annually near the end of July at Saratoga Race Course in Saratoga Springs, New York.  A Grade I event open to horses age three and older, it is a six furlong sprint raced on dirt.

Schuylerville Stakes: The Schuylerville Stakes is an American Thoroughbred horse race held annually at Saratoga Race Course in Saratoga Springs, New York.  Open to two-year-old fillies, it is contested at a distance of six furlongs on dirt.  A Grade III event, it currently offers a purse of $150,000.  In 2006, the race was downgraded from a Grade II to a Grade III.  By tradition, the Schuylerville opens the Saratoga meet each year.  The race is named for the nearby town of Schuylerville, New York.

Yaddo Handicap: The Yaddo Handicap is an American Thoroughbred horse race held annually during the third week of August at Saratoga Race Course in Saratoga Springs, New York.  The mile and an eight race on turf is open to fillies and mares, age three and older that were bred in the state of New York.

Sanford Stakes: The Sanford Stakes is an American Thoroughbred horse race held annually during the third week of July at the Saratoga Race Course in Saratoga Springs, New York.  A six furlong sprint race, the Grade III event is open to two-year-old horses.

Wilson Stakes: The Wilson Stakes/Handicap was an American Thoroughbred horse race run for twenty-nine years between 1930 and 1958.  Inaugurated at the Saratoga Race Course in Saratoga Springs, New York, it was named In honor of Richard Thornton Wilson, Jr., a prominent Thoroughbred owner and president of Saratoga Race Course.

War Front (horse): War Front (foaled February 11, 2002) is an American Thoroughbred racehorse.  In 2006 he won the Alfred G. Vanderbilt Handicap and finished second in the Forego Handicap and Vosburgh Stakes.  Since retiring from racing he has sired Data Link, Declaration of War, Summer Soiree, The Factor and War Command.  War Front was trained by H. Allen Jerkens, and owned and bred by Joseph Allen.

Supporting paragraphs: War Front (horse) Alfred G. Vanderbilt Handicap
Answer: Alfred G. Vanderbilt Handicap