Question: Chukat, Hukath, or Chukkas, is the 39th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the sixth in the Book of Numbers, the parashah sets out the law of purification with the water of lustration prepared with the Red Cow, also called the “Red Heifer”, was a cow brought to the priests as a sacrifice according to what book?
Context: Mishpatim ( – Hebrew for "laws," the second word of the parashah) is the eighteenth weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the sixth in the Book of Exodus.  The parashah sets out a series of laws, which some scholars call the Covenant Code, and reports the people's acceptance of the covenant with God.  The parashah constitutes The parashah is made up of 5,313 Hebrew letters, 1,462 Hebrew words, and 118 verses, and can occupy about 185 lines in a Torah scroll (, "Sefer Torah"). The red heifer (Hebrew: פָרָ֨ה אֲדֻמָּ֜ה‎ ; "para adumma"), also known as the red cow, was a cow brought to the priests as a sacrifice according to the Hebrew Bible, and its ashes were used for the ritual purification of "Tum'at HaMet" ("the impurity of the dead"), that is, an Israelite who had come into contact with a corpse. Chukat, Hukath, or Chukkas ( — Hebrew for "decree," the ninth word, and the first distinctive word, in the parashah) is the 39th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the sixth in the Book of Numbers.  The parashah sets out the laws of corpse contamination ("tumat hamet") and purification with the water of lustration prepared with the Red Cow (, "parah adumah", also called the “Red Heifer”), and reports the deaths of Miriam and Aaron, the failure of Moses at the Waters of Meribah, and the conquest of Arad, the Amorites, and Bashan.  The parashah constitutes .  The parashah is the shortest weekly Torah portion in the Book of Numbers (although not the shortest in the Torah), and is made up of 4,670 Hebrew letters, 1,245 Hebrew words, and 87 verses, and can occupy about 159 lines in a Torah Scroll (, "Sefer Torah"). Noach, Noiach, Nauach, Nauah, or Noah (, Hebrew for the name "Noah", the third word, and first distinctive word, of the parashah) is the second weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading.  It constitutes Genesis The parashah has the most verses of any weekly Torah portion in the Book of Genesis (but not the most letters or words), and is made up of 6,907 Hebrew letters, 1,861 Hebrew words, and 153 verses, and can occupy about 230 lines in a Torah Scroll (, "Sefer Torah").  (In the Book of Genesis, Parashah Miketz has the most letters, Parashah Vayeira has the most words, and Parashah Vayishlach has an equal number of verses as Parashah Noach.) Vayikra, VaYikra, Va-yikra, or Vayyiqra ( – Hebrew for "and He called," the first word in the parashah) is the 24th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the first in the Book of Leviticus.  The parashah lays out the laws of sacrifices (, "korbanot").  It constitutes ( in the King James Version).  The parashah has the most letters and words of any of the weekly Torah portions in the Book of Leviticus (although not the most verses), and is made up of 6,222 Hebrew letters, 1,673 Hebrew words, and 111 verses, and can occupy about 215 lines in a Torah scroll (, "Sefer Torah").  (Parashah Emor has the most verses of any Torah portion in Leviticus.)  Jews read it the 23rd or 24th Sabbath after Simchat Torah, generally in March or early April. Vaychi, or Vayhi ( – Hebrew for "and he lived," the first word of the parashah) is the twelfth weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the last in the Book of Genesis.  The parashah tells of Jacob's request for burial in Canaan, Jacob's blessing of Joseph's sons Ephraim and Manasseh, Jacob's blessing of his sons, Jacob's death and burial, and Joseph's death.  The parashah constitutes It is the shortest weekly Torah portion in the Book of Genesis (although not in the Torah), and is made up of 4,448 Hebrew letters, 1,158 Hebrew words, and 85 verses, and can occupy about 148 lines in a Torah scroll (, "Sefer Torah").  Jews read it the twelfth Sabbath after Simchat Torah, generally in December or January. Shlach, Shelach, Sh'lah, Shlach Lecha, or Sh'lah L'kha ( or — Hebrew for "send", "send to you", or "send for yourself") is the 37th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the fourth in the Book of Numbers.  Its name comes from the first distinctive words in the parashah, in .  "Shelach" () is the sixth and "lecha" () is the seventh word in the parashah.  The parashah tells the story of the twelve spies sent to assess the promised land, Caleb, who proposed entry into the land and the others who discouraged the Israelites, commandments about offerings, the story of the Sabbath violator, and the commandment of the fringes (, "tzitzit").  The parashah constitutes It is made up of 5,820 Hebrew letters, 1,540 Hebrew words, and 119 verses, and can occupy about 198 lines in a Torah Scroll (, "Sefer Torah"). Tzav, Tsav, Zav, Sav, or in Biblical Hebrew Ṣaw ( – Hebrew for "command," the sixth word, and the first distinctive word, in the parashah) is the 25th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the second in the Book of Leviticus.  The parashah teaches how the priests performed the sacrifices and describes the ordination of Aaron and his sons.  The parashah constitutes ( in the KJV).  The parashah is made up of 5,096 Hebrew letters, 1,353 Hebrew words, and 97 verses, and can occupy about 170 lines in a Torah scroll (, "Sefer Torah").  Jews read it the 24th or 25th Sabbath after Simchat Torah, generally in March or early April. Naso or Nasso ( — Hebrew for "take a census" or "lift up," the sixth word, and the first distinctive word, in the parashah) is the 35th weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the second in the Book of Numbers.  It constitutes The parashah addresses priestly duties, purifying the camp, restitution for wrongs committed, the wife accused of unfaithfulness ("sotah"), the nazirite, the Priestly Blessing, and the consecration of the Tabernacle.  Naso has the largest number of letters, words, and verses of any of the 54 weekly Torah portions.  The parashah is made up of 8,632 Hebrew letters, 2,264 Hebrew words, and 176 verses, and can occupy about 311 lines in a Torah Scroll (, "Sefer Torah"). Emor ( — Hebrew for "speak," the fifth word, and the first distinctive word, in the parashah) is the 31st weekly Torah portion (, "parashah") in the annual Jewish cycle of Torah reading and the eighth in the Book of Leviticus.  The parashah describes purity rules for priests (, "Kohanim"), recounts the holy days, describes the preparations for the lights and bread in the sanctuary, and tells the story of a blasphemer and his punishment.  The parashah constitutes It has the most verses (although not the most letters or words) of any of the weekly Torah portions in the Book of Leviticus, and is made up of 6,106 Hebrew letters, 1,614 Hebrew words, and 124 verses and can occupy about 215 lines in a Torah Scroll (, "Sefer Torah").  (Parashah Vayikra has the most letters and words of any weekly Torah portion in Leviticus.)
Answer: Hebrew Bible