input: Alydar was made the 6-5 favorite for Kentucky Derby, with Affirmed the second choice at 9-5 and undefeated Sensitive Prince the third choice at 9-2. At the start of the Kentucky Derby, Sensitive Prince took the early lead as Affirmed ran in third through the early stages, while Alydar stayed far back. Affirmed made a strong move for the lead on the far turn, put away a challenge by Wood Memorial winner Believe It, and held off Alydar's fast-closing charge to win by 1 1/2 lengths. Affirmed now had a 5-2 edge in the series. In the Preakness Stakes, Affirmed set the pace. Alydar made his big move on the far turn, at the same point in the race where Affirmed made his winning move in the Derby. Affirmed held a short lead entering the stretch and held it to defeat Alydar by a neck. Alydar's partisans assumed that the 1 1/2 mile distance of the Belmont, two furlongs longer than the Derby and 5/16 of a mile longer than the Preakness Stakes, would favor Alydar with his finishing style and staying pedigree, and he would deny Affirmed the Triple Crown. Trainer Veitch removed Alydar's blinkers for the Belmont, saying that if Alydar got a better look at Affirmed, maybe he would get by him. In the Belmont, Affirmed led and set a very slow pace, going the first quarter mile in 25 seconds and the half in 50 seconds. Alydar's jockey, Jorge Velasquez, put Alydar close to the pace, and moved alongside Affirmed with more than seven furlongs to go. For more than six furlongs (half the distance of the race), the colts raced neck and neck, pulling away from the rest of the field. Alydar got his nose in front at mid-stretch, but just as Affirmed appeared to tire, Cauthen went to a left-handed whip, something he had never done before in his eight rides on Affirmed. Affirmed won by a nose to become racing's 11th (and last winner for 37 years until American Pharoah won in 2015), Triple Crown winner. After the third slowest start in Belmont Stakes history, they raced the fastest last mile in Belmont Stakes history, 3/4 in 1:14, the mile in 1:37 2/5 and finished in 2:26 4/5. It was, at the time, the third fastest Belmont ever, behind Secretariat and Gallant Man. His Triple Crown win set two records: the shortest and longest gaps between the previous and next Triple Crown winners. Affirmed's win in 1978 was the first time the Triple Crown had been won in consecutive years (Seattle Slew won in 1977). Affirmed's win also marked the start of the longest gap until the next Triple Crown winner, with American Pharoah's win on June 6, 2015 occurring 37 years later.

Answer this question "How much did he win the Preakness by"
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Question: Ludwig Mies van der Rohe ( MEESS; German: [mi:s]; born Maria Ludwig Michael Mies; March 27, 1886 - August 17, 1969) was a German-American architect. He is commonly referred to and was addressed as Mies, his surname.

Mies was born March 27, 1886 in Aachen, Germany. He worked in his father's stone carving shop and at several local design firms before he moved to Berlin, where he joined the office of interior designer Bruno Paul. He began his architectural career as an apprentice at the studio of Peter Behrens from 1908 to 1912, where he was exposed to the current design theories and to progressive German culture, working alongside Le Corbusier and Walter Gropius, who was later also involved in the development of the Bauhaus. Mies served as construction manager of the Embassy of the German Empire in Saint Petersburg under Behrens. His talent was quickly recognized and he soon began independent commissions, despite his lack of a formal college-level education. A physically imposing, deliberative, and reticent man, Ludwig Mies renamed himself as part of his rapid transformation from a tradesman's son to an architect working with Berlin's cultural elite, adding "van der" and his mother's surname "Rohe", using the Dutch "van der", because the German form "von" was a nobiliary particle legally restricted to those of genuine aristocratic lineage. He began his independent professional career designing upper-class homes, joining the movement seeking a return to the purity of early 19th-century Germanic domestic styles. He admired the broad proportions, regularity of rhythmic elements, attention to the relationship of the man-made to nature, and compositions using simple cubic forms of the early nineteenth century Prussian Neo-Classical architect Karl Friedrich Schinkel. He rejected the eclectic and cluttered classical styles so common at the turn of the 20th century as irrelevant to the modern times.

Using a quote from the above article, answer the following question: What did he create there?
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Mies served as construction manager of the Embassy of the German Empire in Saint Petersburg under Behrens.